Removed detect browsers to fix issues with Travis.

karma.conf.js

@@ -5,31 +5,14 @@ module.exports = function(config) {
 
   config.set({
     browsers: ['Firefox'],
-    frameworks: ['mocha', 'detectBrowsers'],
-    detectBrowsers: {
-      enabled: true,
-      usePhantomJS: false,
-      postDetection: function(availableBrowser) {
-        // modify to enable additional browsers if available
-        var runBrowsers = ['Firefox', 'Chrome'];
-        var browsers = [];
-        for(var i = 0; i < runBrowsers.length; i++) {
-          if(~availableBrowser.indexOf(runBrowsers[i])) {
-            browsers.push(runBrowsers[i]);
-          }
-        }
-        return browsers;
-      }
-    },
+    frameworks: ['mocha'],
     singleRun: true,
     files: [
       './../../tests.js' // project root
     ],
     plugins: [
       'karma-mocha',
-      'karma-chrome-launcher',
-      'karma-firefox-launcher',
-      'karma-detect-browsers'
+      'karma-firefox-launcher'
     ]
   });