[background-size-interpolation.html]
  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (1.25) should be [25px 25px, 50px 50px, 75px 75px, 125px 125px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (0.25) should be [ 20px,  20px,  20px,  20px\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (-0.25) should be [ 7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (1.5) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.5) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (0.75) should be [15px 15px, 30px 30px, 45px 45px,  75px  75px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.75) should be [ 40px  40px,  25px  25px,  40px  40px,  25px  25px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.75) should be [30px auto, 30px 30px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1) should be [40px auto, 40px 40px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (0.5) should be [10px 10px, 20px 20px, 30px 30px,  50px  50px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (-0.25) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (0.75) should be [ 60px,  60px,  60px,  60px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (0.25) should be [ 5px  5px, 10px 10px, 15px 15px,  25px  25px\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.5) should be [15.0px 15.0px,  5.0px  5.0px, 15.0px 15.0px,  5.0px  5.0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.6) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (-0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [50px 50px, 80px 100px, 0px 100px, 30px 50px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (-0.25) should be [ 0px  0px,  0px  0px,  0px  0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.5) should be [ 60px  60px,  50px  50px,  60px  60px,  50px  50px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (1) should be [ 80px,  80px,  80px,  80px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (-0.25) should be [120px 120px, 125px 125px, 120px 120px, 125px 125px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1.25) should be [22.5px 22.5px,  0.0px  0.0px, 22.5px 22.5px,  0.0px  0.0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1) should be [ 20px  20px,   0px   0px,  20px  20px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0) should be [initial\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [ 0px  0px, 80px   0px, 0px   0px, 90px  0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0) should be [10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.5) should be [20px auto, 20px 20px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1.25) should be [50px auto, 50px 50px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.3) should be [initial\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.25) should be [ 80px  80px,  75px  75px,  80px  80px,  75px  75px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [ 0px  0px, 80px   0px, 0px   0px, 80px  0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (1) should be [20px 20px, 40px 40px, 60px 60px, 100px 100px\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.75) should be [17.5px 17.5px,  2.5px  2.5px, 17.5px 17.5px,  2.5px  2.5px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (-0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.3) should be [unset\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.25) should be [12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (1.25) should be [100px, 100px, 100px, 100px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, 0px 0px, 0px 0px\] to [20px 20px, 40px 40px, 60px 60px, 100px 100px\] at (0) should be [ 0px  0px,  0px  0px,  0px  0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (0.5) should be [ 40px,  40px,  40px,  40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [20px 20px, 80px  40px, 0px  40px, 60px 20px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.25) should be [10px auto, 10px 10px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (-0.25) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [30px 30px, 80px  60px, 0px  60px, 50px 30px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (1) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (-0.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [40px 40px, 80px  80px, 0px  80px, 40px 40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (1.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (1) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px\] to [80px\] at (0) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (1.5) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (1) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0) should be [unset\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.6) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (1) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (-0.3) should be [unset\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (-0.3) should be [initial\]]
    expected: FAIL

  [Web Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1) should be [20.0px 20.0px,  0.0px  0.0px, 20.0px 20.0px,  0.0px  0.0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.6) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (1.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [10px 10px, 80px  20px, 0px  20px, 70px 10px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.5) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [Web Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.6) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [30px 30px, 80px  60px, 0px  60px, 50px 30px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [40px 40px, 80px  80px, 0px  80px, 40px 40px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.25) should be [12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0) should be [10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [20px 20px, 80px  40px, 0px  40px, 60px 20px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (0) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.75) should be [17.5px 17.5px,  2.5px  2.5px, 17.5px 17.5px,  2.5px  2.5px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.3) should be [initial\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.5) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [20px 20px, 80px  40px, 0px  40px, 60px 20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (1.25) should be [100px, 100px, 100px, 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.5) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (0) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (1.25) should be [100px, 100px, 100px, 100px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.75) should be [17.5px 17.5px,  2.5px  2.5px, 17.5px 17.5px,  2.5px  2.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (-0.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (0.5) should be [ 40px,  40px,  40px,  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1) should be [ 20px  20px,   0px   0px,  20px  20px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.25) should be [10px auto, 10px 10px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (1) should be [ 80px,  80px,  80px,  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [ 0px  0px, 80px   0px, 0px   0px, 90px  0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.6) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1.25) should be [22.5px 22.5px,  0.0px  0.0px, 22.5px 22.5px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (-0.25) should be [ 7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.5) should be [20px 20px, 80px  40px, 0px  40px, 60px 20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (-0.25) should be [ 7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (-0.25) should be [120px 120px, 125px 125px, 120px 120px, 125px 125px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.6) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (-0.25) should be [ 7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1.25) should be [50px auto, 50px 50px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [30px 30px, 80px  60px, 0px  60px, 50px 30px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (-0.25) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (1.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.75) should be [17.5px 17.5px,  2.5px  2.5px, 17.5px 17.5px,  2.5px  2.5px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1) should be [ 20px  20px,   0px   0px,  20px  20px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.25) should be [ 80px  80px,  75px  75px,  80px  80px,  75px  75px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [40px 40px, 80px  80px, 0px  80px, 40px 40px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [ 0px  0px, 80px   0px, 0px   0px, 80px  0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.5) should be [20px auto, 20px 20px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (0.5) should be [ 40px,  40px,  40px,  40px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.75) should be [30px 30px, 80px  60px, 0px  60px, 50px 30px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.5) should be [ 60px  60px,  50px  50px,  60px  60px,  50px  50px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.75) should be [30px auto, 30px 30px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (0.5) should be [ 40px,  40px,  40px,  40px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.75) should be [ 40px  40px,  25px  25px,  40px  40px,  25px  25px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [50px 50px, 80px 100px, 0px 100px, 30px 50px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.75) should be [ 40px  40px,  25px  25px,  40px  40px,  25px  25px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (-0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (1.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.6) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (0.75) should be [ 60px  60px,  60px  60px,  60px  60px,  60px  60px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (-0.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (1) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (1) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1.25) should be [50px auto, 50px 50px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [10px 10px, 80px  20px, 0px  20px, 70px 10px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (1.25) should be [100px, 100px, 100px, 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1) should be [20.0px 20.0px,  0.0px  0.0px, 20.0px 20.0px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (0) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (-0.25) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [ 0px  0px, 80px   0px, 0px   0px, 90px  0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.25) should be [12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1.25) should be [22.5px 22.5px,  0.0px  0.0px, 22.5px 22.5px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1.25) should be [22.5px 22.5px,  0.0px  0.0px, 22.5px 22.5px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (-0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (0.25) should be [ 20px,  20px,  20px,  20px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (-0.25) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (0.75) should be [ 60px,  60px,  60px,  60px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (0.75) should be [ 60px,  60px,  60px,  60px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0) should be [10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.5) should be [15.0px 15.0px,  5.0px  5.0px, 15.0px 15.0px,  5.0px  5.0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.6) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.5) should be [20px auto, 20px 20px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.75) should be [30px auto, 30px 30px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1.25) should be [50px auto, 50px 50px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.25) should be [10px auto, 10px 10px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0) should be [10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [50px 50px, 80px 100px, 0px 100px, 30px 50px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (1) should be [40px auto, 40px 40px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (-0.25) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0) should be [unset\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (0.25) should be [ 20px  20px,  20px  20px,  20px  20px,  20px  20px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1) should be [20.0px 20.0px,  0.0px  0.0px, 20.0px 20.0px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1) should be [ 20px  20px,   0px   0px,  20px  20px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (-0.25) should be [ 0px auto,  0px  0px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (0.25) should be [ 20px,  20px,  20px,  20px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.5) should be [ 60px  60px,  50px  50px,  60px  60px,  50px  50px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (1.5) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (-0.25) should be [120px 120px, 125px 125px, 120px 120px, 125px 125px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (-0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (-0.25) should be [  0px,   0px,   0px,   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.5) should be [15.0px 15.0px,  5.0px  5.0px, 15.0px 15.0px,  5.0px  5.0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.25) should be [ 80px  80px,  75px  75px,  80px  80px,  75px  75px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (1) should be [ 80px,  80px,  80px,  80px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.5) should be [ 60px  60px,  50px  50px,  60px  60px,  50px  50px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [10px 10px, 80px  20px, 0px  20px, 70px 10px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (1.5) should be [auto 40px, 40px 40px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px\] to [80px\] at (0.75) should be [ 60px,  60px,  60px,  60px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (1) should be [20.0px 20.0px,  0.0px  0.0px, 20.0px 20.0px,  0.0px  0.0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [ 0px  0px, 80px   0px, 0px   0px, 80px  0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0.25) should be [10px 10px, 80px  20px, 0px  20px, 70px 10px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.5) should be [15.0px 15.0px,  5.0px  5.0px, 15.0px 15.0px,  5.0px  5.0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (1) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.5) should be [20px 20px, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px\] to [80px\] at (0.25) should be [ 20px,  20px,  20px,  20px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1) should be [40px 40px, 80px  80px, 0px  80px, 40px 40px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (0) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (1) should be [40px 40px, 40px 40px, cover, contain\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (1) should be [ 80px  80px,  80px  80px,  80px  80px,  80px  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.75) should be [ 40px  40px,  25px  25px,  40px  40px,  25px  25px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from neutral to [20px 20px, 0px 0px\] at (0.25) should be [12.5px 12.5px,  7.5px  7.5px, 12.5px 12.5px,  7.5px  7.5px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (-0.25) should be [ 0px  0px, 80px   0px, 0px   0px, 90px  0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (1.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (0) should be [ 0px  0px, 80px   0px, 0px   0px, 80px  0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (-0.25) should be [120px 120px, 125px 125px, 120px 120px, 125px 125px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px\] to [80px 80px\] at (0.5) should be [ 40px  40px,  40px  40px,  40px  40px,  40px  40px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px 0px, 80px 0px\] to [40px 40px, 80px 80px, 0px 80px\] at (1.25) should be [50px 50px, 80px 100px, 0px 100px, 30px 50px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px\] to [80px\] at (1) should be [ 80px,  80px,  80px,  80px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.75) should be [30px auto, 30px 30px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.5) should be [20px auto, 20px 20px, contain, cover\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (-0.3) should be [initial\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0) should be [initial\]]
    expected: FAIL

  [CSS Animations: property <background-size> from [0px 0px\] to [80px 80px\] at (1.25) should be [100px 100px, 100px 100px, 100px 100px, 100px 100px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px\] to [80px 80px\] at (-0.25) should be [  0px   0px,   0px   0px,   0px   0px,   0px   0px\]]
    expected: FAIL

  [CSS Transitions with transition: all: property <background-size> from [0px auto, 0px 0px, contain, cover\] to [40px auto, 40px 40px, contain, cover\] at (0.25) should be [10px auto, 10px 10px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [inherit\] to [20px 20px, 0px 0px\] at (0.25) should be [ 80px  80px,  75px  75px,  80px  80px,  75px  75px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (-0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0) should be [initial\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (-0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0) should be [unset\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (-0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (-0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (-0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (-0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [initial\] to [20px 20px, 0px 0px\] at (0.3) should be [initial\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (-0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (-0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [unset\] to [20px 20px, 0px 0px\] at (0.3) should be [unset\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (-0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (-0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px 0px, 0px 0px, contain, cover\] to [40px 40px, 40px 40px, cover, contain\] at (0.3) should be [0px 0px, 0px 0px, contain, cover\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (-0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-behavior:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (-0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0) should be [0px auto, 0px 0px\]]
    expected: FAIL

  [CSS Transitions with transition-property:all and transition-behavor:allow-discrete: property <background-size> from [0px auto, 0px 0px\] to [auto 40px, 40px 40px\] at (0.3) should be [0px auto, 0px 0px\]]
    expected: FAIL