fix linting issues

Author: hivanalejandro

appengine/building-an-app/update/test/server.test.js

@@ -21,7 +21,7 @@ const supertest = require('supertest');
 
 const cwd = path.join(__dirname, '../');
 
-const requestObj = supertest(proxyquire(path.join(cwd, 'server'), { process }));
+const requestObj = supertest(proxyquire(path.join(cwd, 'server'), {process}));
 
 const stubConsole = function () {
   sinon.stub(console, 'error');