[hidden-attr.html]
  [Computed display and visibility of colgroup]
    expected: FAIL

  [Computed display and visibility of col]
    expected: FAIL

  [Computed display and visibility of thead]
    expected: FAIL

  [Computed display and visibility of tbody]
    expected: FAIL

  [Computed display and visibility of tfoot]
    expected: FAIL

  [Computed display and visibility of tr]
    expected: FAIL

