[container-for-shadow-dom.html]
  [Match container in outer tree]
    expected: FAIL

  [Match container in walking flat tree ancestors]
    expected: FAIL

  [Match container in ::slotted selector's originating element tree]
    expected: FAIL

  [Match container in outer tree for :host]
    expected: FAIL

  [Match container in ::part selector's originating element tree]
    expected: FAIL

  [Match container for ::before in ::slotted selector's originating element tree]
    expected: FAIL

  [Match container in outer tree for :host::before]
    expected: FAIL

  [Match container for ::before in ::part selector's originating element tree]
    expected: FAIL

  [Match container for ::part selector's originating element tree for exportparts]
    expected: FAIL

  [Match container for slot light tree child fallback]
    expected: FAIL

  [Should not match container inside shadow tree for ::part()]
    expected: FAIL

  [A :host::part rule should match containers in the originating element tree]
    expected: FAIL

  [Container name set inside a shadow tree should not match query using ::part on the outside]
    expected: FAIL

  [Container name set with a ::part should match query inside the shadow tree]
    expected: FAIL

  [Container name set inside a shadow tree should match query for a ::slotted() rule inside the tree]
    expected: FAIL

  [Container name set on :host from inside a shadow tree matching query inside the shadow tree]
    expected: FAIL

  [Container name set on :host from inside a shadow tree matching query for ::slotted inside the shadow tree]
    expected: FAIL