[preserve-3d-flat-grouping-properties.html]
  [Preserve-3d element flattened due to opacity]
    expected: FAIL

  [Preserve-3d element flattened due to overflow clip]
    expected: FAIL

  [Preserve-3d element flattened due to filter]
    expected: FAIL

  [Preserve-3d element flattened due to backdrop-filter]
    expected: FAIL

  [Preserve-3d element flattened due to clip CSS]
    expected: FAIL

  [Preserve-3d element flattened due to clip-path]
    expected: FAIL

  [Preserve-3d element flattened due to isolation]
    expected: FAIL

  [Preserve-3d element flattened due to mask]
    expected: FAIL