DirectoryEntry required arguments test. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". webkitRequestFileSystem(TEMPORARY, 100, successCallback, errorCallback); Successfully obtained TEMPORARY FileSystem:file__0:Temporary root = fileSystem.root PASS root.getFile() threw exception TypeError: Failed to execute 'getFile' on 'DirectoryEntry': 1 argument required, but only 0 present.. PASS successfullyParsed is true TEST COMPLETE