Run Karma tests on Travis

.travis.yml

@@ -5,9 +5,8 @@ os:
 node_js:
   - "5.11"
   - "6.1"
-before_script:
-  - npm install -g eslint eslint-plugin-react
-  # prepare firefox
+before_install:
+  - export CHROME_BIN=chromium-browser
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
 install:
@@ -15,3 +14,4 @@ install:
 script:
   - npm run build
   - npm run lint
+  - npm run test

appveyor.yml

@@ -6,7 +6,5 @@ install:
 build_script:
   - npm run build
 test_script:
-  - node --version
-  - npm --version
   - npm run lint
   - npm test