Harness status: OK

Found 4 tests

4 Pass
Pass	HTML parser must create a fallback HTMLUnknownElement when a custom element constructor returns a Text node
Pass	HTML parser must create a fallback HTMLUnknownElement when a custom element constructor returns non-Element object
Pass	HTML parser must create a fallback HTMLUnknownElement when a custom element constructor does not call super()
Pass	HTML parser must create a fallback HTMLUnknownElement when a custom element constructor throws an exception