| PASS e.style['animation-duration'] = "-3s" should not set the property value | |
| PASS e.style['animation-duration'] = "0" should not set the property value | |
| PASS e.style['animation-duration'] = "infinite" should not set the property value | |
| PASS e.style['animation-duration'] = "1s 2s" should not set the property value | |
| PASS e.style['animation-duration'] = "initial, 1s" should not set the property value | |
| PASS e.style['animation-duration'] = "1s, initial" should not set the property value | |