[prefers-contrast.html]
  [Should be parseable in a CSS stylesheet: '(prefers-contrast: low)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast)']
    expected: FAIL

  [Check boolean context evaluation.]
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: no-preference)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: high)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: forced)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: low)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: forced)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: no-preference)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: high)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: more)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: less)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: less)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: more)']
    expected: FAIL

  [Should be parseable in a CSS stylesheet: '(prefers-contrast: custom)']
    expected: FAIL

  [Should be parseable in JS: '(prefers-contrast: custom)']
    expected: FAIL

  [Should be known: '(prefers-contrast)']
    expected: FAIL

  [Should be known: '(prefers-contrast: no-preference)']
    expected: FAIL

  [Should be known: '(prefers-contrast: more)']
    expected: FAIL

  [Should be known: '(prefers-contrast: less)']
    expected: FAIL

  [Should be known: '(prefers-contrast: custom)']
    expected: FAIL