| Accessing Navigator sendBeacon methods on a closed window. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS w.navigator.sendBeacon() threw exception TypeError: Failed to execute 'sendBeacon' on 'Navigator': 1 argument required, but only 0 present.. | |
| PASS w.navigator.sendBeacon('resources/blank.txt', 'detached-should-return false') is false | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |