| A <video> should not have a layer until playback begins. | |
| This test can not be run manually, it requires testRunner.layerTreeAsText. | |
| No src, no poster | |
| PASS: wants layers = false, has layers = false | |
| Displaying poster | |
| PASS: wants layers = false, has layers = false | |
| Displaying movie | |
| PASS: wants layers = true, has layers = true | |