Fixed test-runner

karma.conf.js

@@ -48,6 +48,7 @@ module.exports = function(config) {
         },
         plugins: [
             'karma-chrome-launcher',
+            'karma-firefox-launcher',
             'karma-coverage',
             'karma-mocha',
             'karma-chai',

package.json

@@ -22,15 +22,18 @@
     "karma-chai": "0.1.0",
     "karma-chrome-launcher": "^0.2.0",
     "karma-coverage": "^0.5.2",
+    "karma-firefox-launcher": "^0.1.7",
     "karma-mocha": "~0.2.0",
     "karma-phantomjs-launcher": "^0.2.1",
     "karma-sinon": "^1.0.4",
     "karma-sinon-chai": "^1.1.0",
     "karma-source-map-support": "^1.1.0",
     "karma-webpack": "^1.7.0",
+    "lolex": "^1.4.0",
     "mocha": "^2.3.2",
     "phantomjs": "^1.9.18",
     "sinon": "^1.16.1",
+    "sinon-chai": "^2.8.0",
     "webpack": "^1.12.2",
     "webpack-core": "^0.6.8"
   },