auto update chrome on travis

.travis.yml

@@ -27,6 +27,11 @@ install:
   # Use the dspace-cli image to populate the assetstore.  Trigger a discovery and oai update
   - docker-compose -f ./docker/cli.yml -f ./docker/cli.assetstore.yml run --rm dspace-cli
   - travis_retry yarn install
+  # update chrome
+  - wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+  - echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list
+  - apt-get update
+  - apt-get install google-chrome-stable
 
 before_script:
   # The following line could be enabled to verify that the rest server is responding.