Harness status: OK

Found 4 tests

4 Pass
Pass	e.style['animation-fill-mode'] = "auto" should not set the property value
Pass	e.style['animation-fill-mode'] = "forwards backwards" should not set the property value
Pass	e.style['animation-fill-mode'] = "both, initial" should not set the property value
Pass	e.style['animation-fill-mode'] = "initial, both" should not set the property value