Tests that AudioWorklet.addModule() rejects the promise when the URL is invalid. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS context.audioWorklet.addModule(invalidURL); rejected promise with SyntaxError: Module URL is invalid. PASS context.audioWorklet.addModule('doesnotExist.js'); rejected promise with AbortError: Importing a module script failed.. PASS successfullyParsed is true TEST COMPLETE