| Tests that the OffscreenCanvas can be constructed on a worker thread. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS width is 50 | |
| PASS height is 50 | |
| PASS width is 100 | |
| PASS height is 100 | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |