| This tests that scheduling an idle callback would not delay the firing of a timer. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS didFireTimer is true | |
| PASS idleDeadline.timeRemaining() > 0 is true | |
| PASS idleDeadline.timeRemaining() is 0 | |
| PASS didRunIdleCallback is true | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |