Ensures that we get exceptions when we do not include required arguments for webkitRequestFileSystem and webkitResolveLocalFileSystemURL methods. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS webkitResolveLocalFileSystemURL() threw exception TypeError: Failed to execute 'webkitResolveLocalFileSystemURL' on 'Window': 2 arguments required, but only 0 present.. PASS webkitResolveLocalFileSystemURL("") threw exception TypeError: Failed to execute 'webkitResolveLocalFileSystemURL' on 'Window': 2 arguments required, but only 1 present.. PASS webkitRequestFileSystem() threw exception TypeError: Failed to execute 'webkitRequestFileSystem' on 'Window': 3 arguments required, but only 0 present.. PASS webkitRequestFileSystem(TEMPORARY) threw exception TypeError: Failed to execute 'webkitRequestFileSystem' on 'Window': 3 arguments required, but only 1 present.. PASS webkitRequestFileSystem(TEMPORARY, 1) threw exception TypeError: Failed to execute 'webkitRequestFileSystem' on 'Window': 3 arguments required, but only 2 present.. PASS successfullyParsed is true TEST COMPLETE