Travis ui tests (#57)

* Prepare travis is tests

* Fix ffmpeg travis source

* Trying xenial

* Move shell scripts

* Upload video assets

* Upload video assets

* Change text input method

* Add ui test docker support

* Fix travis docker build

* Fix asset uploader

* Fix dockerfile

* Update dockerfile

* Change writeText behavior

* Fix type error

* Fix exit codes

* Fix types

* fix upload

* Fix writeText

* Fix argument name

* Add test scenarios

* Enable vnc and change mqtt host

src/spec/scenarios/disconnect.ts

@@ -0,0 +1,7 @@
+import { clickOn } from '../util'
+import { Browser } from 'webdriverio'
+
+export async function disconnect(browser: Browser<void>) {
+  const connectButton = await browser.$('//button/span[contains(text(),"Disconnect")]')
+  clickOn(connectButton, browser)
+}