Harness status: OK

Found 4 tests

4 Pass
Pass	e.style['animation-composition'] = "auto" should not set the property value
Pass	e.style['animation-composition'] = "add replace" should not set the property value
Pass	e.style['animation-composition'] = "add, initial" should not set the property value
Pass	e.style['animation-composition'] = "initial, add" should not set the property value