public function setUp()
 {
     parent::setUp();
     $resolver = M::mock('Illuminate\\Database\\ConnectionResolverInterface');
     $resolver->shouldReceive('connection')->andReturn($this->getConnectionWithConfig('default'));
     User::setConnectionResolver($resolver);
     Post::setConnectionResolver($resolver);
     Video::setConnectionResolver($resolver);
     Comment::setConnectionResolver($resolver);
 }