CEC-247, CEC-261 Manifest and ECU display (#65)

* CEC-261 Add ECU list control

* CEC-261 Update vehicle service mock

* CEC-247 Manifest screens

* Fix test

* Remove dynamic dates from mocks

* Remove timezone from mock dates

* Fix test for date string timezone difference

testEnv.js

@@ -0,0 +1,3 @@
+module.exports = async () => {
+  process.env.TZ = 'UTC';
+};