Update Chrome to 78.0.3904.70

CHANGELOG.md

@@ -97,6 +97,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
          - `@babel/[email protected]`
          - `[email protected]`
 -  `component`: Bumps [`[email protected]`](https://npmjs.com/package/adaptivecards), by [@corinagum](https://github.com/corinagum) in PR [#2523](https://github.com/microsoft/BotFramework-WebChat/pull/2532)
+-  Bumps Chrome in Docker to 78.0.3904.70, by [@spyip](https://github.com/spyip) in PR [#2545](https://github.com/microsoft/BotFramework-WebChat/pull/2545)
 
 ## [4.6.0] - 2019-10-31
 

Dockerfile-selenium

@@ -1,6 +1,6 @@
 # https://github.com/SeleniumHQ/docker-selenium
 # https://hub.docker.com/r/selenium/standalone-chrome/tags/
 
-FROM selenium/standalone-chrome:3.141.59-radium
+FROM selenium/standalone-chrome:3.141.59-xenon
 
 ADD __tests__/setup/local ~/Downloads

__tests__/setup/pageObjects/playMediaToCompletion.js

@@ -1,13 +1,13 @@
 import executePromiseScript from './executePromiseScript';
 
-export default async function pingBot(driver, mediaElement) {
+export default async function playMediaToCompletion(driver, mediaElement) {
   await executePromiseScript(
     driver,
     mediaElement =>
       new Promise(resolve => {
         mediaElement.loop = false;
         mediaElement.play();
-        mediaElement.onended = resolve;
+        mediaElement.onended = () => resolve();
       }),
     mediaElement
   );