[getComputedStyle-pseudo.html]
  [Resolution of width is correct for ::before and ::after pseudo-elements of display: contents elements]
    expected: FAIL

  [Resolution of nonexistent pseudo-element styles]
    expected: FAIL

  [Item-based blockification of nonexistent pseudo-elements]
    expected: FAIL

  [display: contents on pseudo-elements]
    expected: FAIL

  [Unknown pseudo-elements throw]
    expected: FAIL

  [Dynamically change to display: contents on pseudo-elements]
    expected: FAIL

  [Unknown pseudo-elements]
    expected: FAIL

  [Unknown pseudo-element with a known string (ex: marker)]
    expected: FAIL

  [Unknown pseudo-element with a known identifier: backdrop]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: file-selector-button]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: grammar-error]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: highlight(name)]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: marker]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: placeholder]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: spelling-error]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: view-transition]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: view-transition-image-pair(name)]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: view-transition-group(name)]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: view-transition-old(name)]
    expected: PRECONDITION_FAILED

  [Unknown pseudo-element with a known identifier: view-transition-new(name)]
    expected: PRECONDITION_FAILED

  [Resolution of width is correct when pseudo-element argument is ignored (due to no colon)]
    expected: FAIL

  [Resolution of width is correct when pseudo-element argument is invalid (due to a trailing token)]
    expected: FAIL