[CSSFontFeatureValuesRule.html]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [CSSFontFeatureValuesRule is correctly parsed and accessible via CSSOM.]
    expected: FAIL

  [CSSFontFeatureValuesRule family is settable and readable.]
    expected: FAIL

  [CSSFontFeatureValuesMap entries are settable to single values.]
    expected: FAIL

  [CSSFontFeatureValuesMap entries are settable to sequences of numbers.]
    expected: FAIL

  [New rules can be added.]
    expected: FAIL

  [Deleting single entries is possible.]
    expected: FAIL

  [Clearing all entries is possible.]
    expected: FAIL

  [Multiple rules for the same family are kept separate in CSSOM.]
    expected: FAIL