Use chrome in testing (#2083)

* chore: switch to chrome testing

* test: relax pixel assertions to pass in chrome

* chore: add codecov.yml

.travis.yml

@@ -1,7 +1,17 @@
-sudo: false
 language: node_js
 node_js:
 - 6
+dist: trusty
+sudo: false
+addons:
+  apt:
+    packages:
+      - google-chrome-stable
+
+before_script:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start &
+  - sleep 3
 
 after_success:
 - npm run codecov

circle.yml

@@ -0,0 +1,9 @@
+machine:
+  node:
+    verison: 6
+dependencies:
+  pre:
+    - curl -L -o google-chrome.deb https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+    - sudo dpkg -i google-chrome.deb
+    - sudo sed -i 's|HERE/chrome\"|HERE/chrome\" --disable-setuid-sandbox|g' /opt/google/chrome/google-chrome
+    - rm google-chrome.deb

codecov.yml

@@ -0,0 +1,7 @@
+coverage:
+  status:
+    project:
+      default:
+        threshold: 0.4
+    patch: no
+    change: no

karma.conf.js

@@ -20,7 +20,7 @@ module.exports = function(config) {
       reports: ['html', 'lcovonly', 'text-summary']
     },
     autoWatch: true,
-    browsers: ['PhantomJS'],
+    browsers: ['Chrome'],
     singleRun: true,
     browserNoActivityTimeout: 120000,
   })