1 Checks whether SyntaxError is thrown when attempting to send too long reason.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS SyntaxError was thrown: SyntaxError: Failed to execute 'close' on 'WebSocket': The message must not be greater than 123 bytes.
7 PASS successfullyParsed is true