[preferences-colorScheme.tentative.https.html]
  expected: ERROR
  [navigator.preferences.colorScheme supported]
    expected: FAIL

  [navigator.preferences.colorScheme.override supported]
    expected: FAIL

  [navigator.preferences.colorScheme.value supported]
    expected: FAIL

  [navigator.preferences.colorScheme.validValues supported]
    expected: FAIL

  [navigator.preferences.colorScheme.requestOverride() with invalid value throws]
    expected: NOTRUN

  [navigator.preferences.colorScheme.override returns override value]
    expected: NOTRUN

  [navigator.preferences.colorScheme.requestOverride(null) works like clearOverride()]
    expected: NOTRUN

  [navigator.preferences.colorScheme.requestOverride('') works like clearOverride()]
    expected: NOTRUN

  [navigator.preferences.colorScheme.requestOverride() updates (prefers-color-scheme)]
    expected: NOTRUN

  [navigator.preferences.colorScheme fires change event when requesting override]
    expected: FAIL

  [navigator.preferences.colorScheme fires change event when requesting override (without value change)]
    expected: NOTRUN

  [navigator.preferences.colorScheme fires change event when clearing override]
    expected: NOTRUN

  [navigator.preferences.colorScheme fires change event when clearing override (without value change)]
    expected: NOTRUN