[ShadowRoot-init-registry.tentative.html]
  [ShadowRoot.registry is null if not explicitly specified]
    expected: FAIL

  [Attach the global registry to a shadow root]
    expected: FAIL

  [Attach a non-global registry to a shadow root]
    expected: FAIL

  [Attach the same registry to multiple shadow roots]
    expected: FAIL

  [Attaching registry to shadow root can only be done during initialization]
    expected: FAIL