PASS Calling complete() twice throws an InvalidStateError.
PASS Calling complete() after abort() throws an InvalidStateError.
PASS Calling complete() with a promise that is rejected aborts the request.
PASS Calling complete() with a number aborts the request with a TypeError.
PASS Calling complete() with undefined aborts the request with a TypeError.
PASS Calling complete() with null aborts the request with a TypeError.
PASS Calling complete() with a string aborts the request with a TypeError.
PASS Calling complete() with a promise resolving to a valid merchant session does not abort the request.
PASS Calling complete() with a valid merchant session does not abort the request.