chore(.travis.yml): fix e2e tests on Travis (run on latest Chrome)

Previously, the E2E tests would always fail/not run on Travis, because the current version of
WebDriver requires a newer version of Chrome than the one installed on the VM.

Author: gkalpak

.travis.yml

@@ -1,13 +1,17 @@
+sudo: required
+dist: trusty
+
 language: node_js
 node_js:
   - '4.4'
 
-env: BROWSERS=firefox E2E_BROWSERS=Firefox
-
 before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-  - npm run update-webdriver
+  - wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
+  - sudo sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list'
+  - sudo apt-get update -q
+  - sudo apt-get install -q google-chrome-stable
 
 script:
   - scripts/private/test-all.sh

package.json

@@ -19,7 +19,7 @@
     "postinstall": "bower install",
 
     "prestart": "npm install",
-    "start": "http-server -a localhost -p 8000 -c-1 ./app",
+    "start": "http-server ./app -a localhost -p 8000 -c-1",
 
     "pretest": "npm install",
     "test": "karma start karma.conf.js",

scripts/private/test-all.sh

@@ -21,7 +21,7 @@ npm install
 npm run update-webdriver
 
 # Start up the web server
-node_modules/.bin/http-server -a localhost -p 8000 -c-1 ./app &
+node_modules/.bin/http-server ./app -a localhost -p 8000 -c-1 --silent &
 WEBSERVER_PID=$!
 
 # Run the unit and e2e tests
@@ -31,6 +31,5 @@ do
   git checkout -f step-$i
 
   node_modules/.bin/karma start karma.conf.js --single-run
-  node_modules/.bin/protractor e2e-tests/protractor.conf.js
-
+  node_modules/.bin/protractor e2e-tests/protractor.conf.js --directConnect
 done