fix(build): exclude css from build

Author: Greenberg, Dana

test/karma.conf.js

@@ -29,14 +29,13 @@ module.exports = function(config) {
       'test/unit/**/*.spec.js',
       'src/features/**/test/**/*.spec.js',
 
-      'dist/release/ui-grid.css',
-
       '.tmp/template.js' //templates
     ],
 
 
     // list of files to exclude
     exclude: [
+      'dist/release/ui-grid.css'
     ],