Harness status: OK Found 8 tests 4 Pass 4 Fail Pass customElementRegistry of an upgrade candidate created in a document without a browsing context uses null regsitry by default Fail Connecting a custom element candiate in a shadow root with a scoped custom element registry has null registry by default Fail Connecting a custom element candiate with null registry does not set the registry Fail Connecting a custom element candiate with a scoped custom element registry does not change the registry Fail Inserting a custom element candiate with null registry does not change the registry Pass Inserting the shadow host of a shadow root with a scoped custom element registry does not change the registry Pass Inserting a node from another document with global registry results in the custom element registry to be set and upgraded. Pass Inserting a node from another document with null registry results in the custom element registry to be set and upgraded.