[at-rule-cssom.html]
  max-asserts: 2
  [CSSViewTransitionRule is correctly parsed and accessible via CSSOM.]
    expected: FAIL

  [`navigation: auto` is correctly parsed.]
    expected: FAIL

  [`navigation: none` is correctly parsed.]
    expected: FAIL

  [Invalid `navigation` value fails to parse.]
    expected: FAIL

  [`navigation` with !important flag should fail to parse.]
    expected: FAIL

  [`navigation` descriptor cannot be set.]
    expected: FAIL