[supports-at-rule.html]
  [@supports at-rule]
    expected: FAIL

  [@supports at-rule 1]
    expected: FAIL

  [@supports at-rule 2]
    expected: FAIL

  [@supports at-rule 3]
    expected: FAIL

  [@supports at-rule 4]
    expected: FAIL

  [@supports at-rule 6]
    expected: FAIL

  [@supports at-rule 7]
    expected: FAIL

  [@supports at-rule 8]
    expected: FAIL