[nesting-revert-rule.tentative.html]
  [The revert-rule keyword can revert to a nested rule]
    expected: FAIL

  [The revert-rule keyword can revert to a CSSNestedDeclarationsRule]
    expected: FAIL

  [The revert-rule keyword can revert from a CSSNestedDeclarationsRule]
    expected: FAIL

  [The revert-rule keyword can revert to scoped declarations]
    expected: FAIL