Update .travis.yml

Author: pradeep0601

.travis.yml

@@ -1,11 +1,22 @@
-sudo: false
-language: node_js  
-node_js: "node"   
-cache:  
-  directories:
-    - "node_modules"
+language: node_js
+node_js:
+  - "7"
+sudo: true
+dist: trusty
+
 branches:
   only:
-    - master
-notifications:
-  email: false
+  - master
+
+before_script:
+ - export CHROME_BIN=/usr/bin/google-chrome
+ - export DISPLAY=:99.0
+ - sh -e /etc/init.d/xvfb start
+ - sudo apt-get update
+ - sudo apt-get install -y libappindicator1 fonts-liberation
+ - wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+ - sudo dpkg -i google-chrome*.deb
+
+script: 
+  - ng test --watch false -cc
+  - npm run e2e