Checks whether SyntaxError is thrown when attempting to send too long reason.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

Connected.
PASS SyntaxError was thrown: SyntaxError: Failed to execute 'close' on 'WebSocket': The close reason must not be greater than 123 UTF-8 bytes.
PASS successfullyParsed is true

TEST COMPLETE