gecko-dev/testing/web-platform/meta/cssom/serialize-values.html.ini

[serialize-values.html]
  type: testharness
  [orphans: 101]
    expected: FAIL

  [orphans: inherit]
    expected: FAIL

  [outline-color: invert]
    expected: FAIL

  [widows: 101]
    expected: FAIL

  [widows: inherit]
    expected: FAIL