fix coverage

test/karma.conf.js

@@ -29,6 +29,7 @@ module.exports = function(config) {
 
     // list of files / patterns to load in the browser
     files: [
+      'src/scripts/**/*.js',
       'test/spec/**/*.js'
     ],
 
@@ -38,8 +39,8 @@ module.exports = function(config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
-      'test/spec/**/*.js': ['browserify'],
-      'src/*.js': ['coverage']
+      'src/scripts/**/*.js': ['browserify'],
+      'test/spec/**/*.js': ['browserify']
     },
 
     // test results reporter to use