old_contents: module.exports = function (config) {
    config.set({
      basePath: '..',
      frameworks: ['jasmine'],
      files: [
        'bower_components/angular/angular.js',
        'bower_components/angular-mocks/angular-mocks.js',
        'bower_components/tinymce/tinymce.min.js',
        'src/tinymce.js',
        {pattern: 'bower_components/tinymce/themes/modern/theme.min.js', served: true},
        'test/*.spec.js'
      ],
      singleRun: false,
      autoWatch: true,
      browsers: [ 'Chrome' ],
    });
  };
new_contents: module.exports = function (config) {
    config.set({
      basePath: '..',
      frameworks: ['jasmine'],
      files: [
        'bower_components/angular/angular.js',
        'bower_components/angular-mocks/angular-mocks.js',
        'bower_components/tinymce/tinymce.min.js',
        'src/tinymce.js',
        'test/*.spec.js',
        {pattern: 'bower_components/tinymce/themes/modern/theme.min.js', served: true},
        {pattern: 'bower_components/tinymce/skins/lightgray/content.min.css', served: true},
        {pattern: 'bower_components/tinymce/skins/lightgray/skin.min.css', served: true}
      ],
      singleRun: false,
      autoWatch: true,
      browsers: [ 'Chrome' ],
    });
  };
subject: Add two css files to karma.conf.js to remove warnings