[custom-highlight-universal-parsing-and-computed-style.tentative.html]
  ["::highlight(*)" should be a valid selector]
    expected: FAIL

  ["div::highlight(*)" should be a valid selector]
    expected: FAIL

  [":root::highlight(*)" should be a valid selector]
    expected: FAIL

  [named highlight merges with the universal base on the same element]
    expected: FAIL

  [named highlight without its own rule falls back to the universal style]
    expected: FAIL