Tests that DOMError is constructible. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS error = new DOMError('NotFoundError', 'This item was not found.') did not throw exception. PASS error.name is "NotFoundError" PASS error.message is "This item was not found." PASS error = new DOMError('IndexSizeError') did not throw exception. PASS error.name is "IndexSizeError" PASS error.message is "" PASS new DOMError() threw exception TypeError: Failed to construct 'DOMError': 1 argument required, but only 0 present.. PASS successfullyParsed is true TEST COMPLETE