This is a testharness.js-based test.
[FAIL] Adding definition to global registry should not affect shadow roots using scoped registry
Illegal constructor
[FAIL] Adding definition to scoped registry should affect all associated shadow roots
Illegal constructor
[FAIL] Adding definition to scoped registry should not affect document tree scope
Illegal constructor
[FAIL] Adding definition to scoped registry should not affect shadow roots using other registries
Illegal constructor
[FAIL] Adding definition to global registry should not upgrade nodes no longer using the registry
Illegal constructor
[FAIL] Adding definition to scoped registry should not upgrade nodes no longer using the registry
Illegal constructor
[FAIL] Adding definition to scoped registry affects associated shadow roots in all iframes
Illegal constructor
[FAIL] Adding definition to scoped registry affects associated shadow roots in other frame trees
assert_true: expected true got false
[FAIL] Adding definition to scoped registry should not upgrade disconnected elements
Illegal constructor
[FAIL] Adding definition to scoped registry should not upgrade nodes in constructed documents
Illegal constructor
[FAIL] Adding definition to scoped registry should not upgrade nodes in detached frames
Illegal constructor
Harness: the test ran to completion.