Remove karma:fixture

karma.conf.js

@@ -9,7 +9,7 @@ module.exports = function (config) {
 
         // frameworks to use
         // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-        frameworks: ['mocha', 'chai', 'fixture'],
+        frameworks: ['mocha', 'chai'],
 
         // list of files to exclude
         exclude: [],