better ci config

.travis.yml

@@ -1,15 +1,21 @@
 language: node_js
 sudo: true
 dist: trusty
-node_js:
- - "4"
-before_install:
- - 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
+node_js: 4
+cache:
+  directories:
+    - node_modules
+addons:
+  firefox: 46.0
+  apt:
+    sources:
+      - google-chrome
+    packages:
+      - google-chrome-stable
+before_script:
+  - bower install
+  - npm run lint
+script:
+  - xvfb-run npm test
 after_script:
-  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js

package.json

@@ -5,7 +5,8 @@
   "main": "polymer-redux.js",
   "scripts": {
     "postinstall": "bower install",
-    "test": "gulp test"
+    "test": "gulp test",
+    "lint": "polylint"
   },
   "repository": {
     "type": "git",
@@ -28,6 +29,7 @@
     "bower": "^1.5.2",
     "coveralls": "^2.11.9",
     "gulp": "^3.9.1",
+    "polylint": "^2.10.1",
     "polymer-cli": "^0.11.1",
     "redux": "^3.0.5",
     "reselect": "^2.5.1",

wct.conf.json

@@ -1,7 +1,7 @@
 {
   "plugins": {
     "local": {
-      "browsers": ["chrome"]
+      "browsers": ["chrome", "firefox"]
     },
     "istanbul": {
       "dir": "./coverage",