Changed coverage pattern.

Author: dylanfprice

test/karma.conf.js

@@ -20,7 +20,7 @@ browsers = ['Firefox', 'PhantomJS'];
 reportSlowerThan = 500;
 
 preprocessors = {
-  '**/src/**/*.js': 'coverage'
+  'src/**/*.js': 'coverage'
 };
 
 reporters = ['progress', 'coverage'];