protected function getApplication()
 {
     $app = new ApplicationTest();
     $app->register(new RestServiceProvider());
     $users = [['id' => 1234, 'first_name' => 'Axel', 'last_name' => 'Etcheverry', 'email' => '*****@*****.**'], ['id' => 1235, 'first_name' => 'Rui', 'last_name' => 'Avelino', 'email' => '*****@*****.**'], new ArrayObject(['id' => 1236, 'first_name' => 'William', 'last_name' => 'Rudent', 'email' => '*****@*****.**'])];
     $app->get('/me', function () use($app, $users) {
         return $app->json($users[0]);
     });
     $app->get('/users', function () use($app, $users) {
         return $app->json($users);
     });
     return $app;
 }