Diplay ECU name in update status (#110)

Optimize car update status progress control
Remove car update status page test
Replace with individual component tests

src/components/Cars/UpdateStatus/index.jsx

@@ -19,8 +19,7 @@ const MainForm = () => {
   const [manifest, setManifest] = useState(null);
   const [status, setStatus] = useState(null);
   const { setTitle, setSitePath, setMessage } = useStatusContext();
-  const { getCarUpdates, carUpdates, startMonitor, stopMonitor } =
-    useCarUpdatesContext();
+  const { getCarUpdates, carUpdates } = useCarUpdatesContext();
   const {
     token: {
       idToken: { jwtToken: token },
@@ -66,17 +65,15 @@ const MainForm = () => {
     try {
       if (carUpdates.length === 0) return;
       setStatus(carUpdates[0]);
-      startMonitor(token);
     } catch (e) {
       setMessage(e.message);
       logger.warn(e.stack);
     }
-    return () => {
-      stopMonitor();
-    };
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [carUpdates]);
 
+  if (!status) return null;
+
   return (
     <div className={classes.root}>
       <Grid container spacing={2}>