| Tests that setting the value of input type=file throws and changing type resets. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS input.value is "example.txt" | |
| PASS input.value is "" | |
| PASS input.value = "foo" threw exception InvalidStateError: Failed to set the 'value' property on 'HTMLInputElement': This input element accepts a filename, which may only be programmatically set to the empty string.. | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |