[signature-invalid.html]
  expected: TIMEOUT
  [signature, null]
    expected: TIMEOUT

  [signature, websrt]
    expected: TIMEOUT

  [signature, two boms]
    expected: TIMEOUT

  [signature, formfeed]
    expected: TIMEOUT

  [signature, lowercase]
    expected: TIMEOUT

  [signature, invalid whitespace]
    expected: TIMEOUT

  [signature, missing]
    expected: TIMEOUT

  [signature, missing whitespace]
    expected: TIMEOUT

  [signature, invalid]
    expected: TIMEOUT

  [signature, empty]
    expected: TIMEOUT

  [signature, partial]
    expected: TIMEOUT