Harness status: OK

Found 5 tests

5 Pass
Pass	Deleting a property not in the css rule is a no-op
Pass	Deleting a property in the css rule removes it from the css rule
Pass	Deleting a custom property in the css rule removes it from the css rule
Pass	Deleting a list-valued property in the css rule removes it from the css rule
Pass	Declared StylePropertyMap.delete is not case-sensitive