fix prettier

Author: patricklx

test-apps/classic/ember-cli-build.js

@@ -16,12 +16,7 @@ module.exports = function (defaults) {
     trees: {
       tests: new Funnel(path.resolve(__dirname, '../tests')),
       public: new Funnel(testingFolderExists ? testingDir : distDir, {
-        files: [
-          '*.js',
-          'background.js',
-          'content-script.js',
-          'panes-3-16-0',
-        ],
+        files: ['*.js', 'background.js', 'content-script.js', 'panes-3-16-0'],
       }),
     },
   });