| Test unhandled promise rejection event. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS error.type is "unhandledrejection" | |
| PASS error.cancelable is true | |
| PASS error.promise is promise | |
| PASS error.reason is "ERROR" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |