[contents-rule.html]
  [Simple @contents with no fallback]
    expected: FAIL

  [Implicit semicolon after @contents, at end of block]
    expected: FAIL

  [Block in @apply overrides fallback]
    expected: FAIL

  [Fallback is used if @apply has no block]
    expected: FAIL

  [@contents is ignored if there is no @contents parameter]
    expected: FAIL

  [Empty @contents block is allowed, but does nothing]
    expected: FAIL