Update travis config

.travis.yml

@@ -1,21 +1,20 @@
-language: node_js
+sudo: required
-osx_image: xcode8.1
+dist: xenial
-os:
-  - linux
-  - osx
-sudo: false
-node_js:
-  - "6.9"
-  - "7.9"
-env:
-  - CXX=g++-4.8
 addons:
-  code_climate:
-    repo_token: e87e6bf1c253e0555437ebd23235fdfe2749b889358e7c6d100e4ea5b4f2e091
   apt:
     sources:
-      - ubuntu-toolchain-r-test
+      - google-chrome
     packages:
-      - g++-4.8
+      - google-chrome-stable
+  code_climate:
+    repo_token: e87e6bf1c253e0555437ebd23235fdfe2749b889358e7c6d100e4ea5b4f2e091
+language: node_js
+node_js:
+  - "6"
+  - "7"
+before_script:
+  - yarn build
+script:
+  - yarn test
 after_script:
   - cat coverage/lcov.info | codeclimate