CONSOLE ERROR: line 87: WebSocket connection to 'ws://127.0.0.1:8880/echo' failed: Failed to load Blob: error code = 1 WebSocket should fail the connection if it has failed to read a Blob. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Got FileSystem object. File created. PASS fileEntry.isFile is true Wrote to file. Got File object. File deleted. PASS closeEvent.wasClean is false PASS successfullyParsed is true TEST COMPLETE