Harness status: OK

Found 9 tests

9 Pass
Pass	shadowRootCustomElementRegistry reflects as string
Pass	Serializing a null registry ShadowRoot with a global registry host (document)
Pass	Serializing a global registry ShadowRoot with a global registry host (document)
Pass	Serializing a scoped registry ShadowRoot with a global registry host (document)
Pass	Serializing a null registry ShadowRoot with a null registry host (document)
Pass	Serializing a scoped registry ShadowRoot with a null registry host (document)
Pass	Serializing a null registry ShadowRoot with a scoped registry host (document)
Pass	Serializing a scoped registry ShadowRoot with a scoped registry host (document)
Pass	A declarative shadow root gets its default registry from its node document