[prefers-reduced-data.html]
  [Should be known: '(prefers-reduced-data)']
    expected: FAIL

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

  [Should be known: '(prefers-reduced-data: reduce)']
    expected: FAIL

  [Check that no-preference evaluates to false in the boolean context]
    expected: FAIL