/**
  * test orders
  *
  * @return void
  */
 public function testOrders()
 {
     $conn = $this->conn;
     $query = $this->query;
     $repo = new Repository($conn);
     $query->shouldReceive('orderBy')->andReturn($query);
     $query = $repo->orders($query, []);
     $this->assertInstanceOf('Xpressengine\\Database\\DynamicQuery', $query);
     $orders = ['createdAt' => 'createdAt'];
     $query = $repo->orders($query, $orders);
     $this->assertInstanceOf('Xpressengine\\Database\\DynamicQuery', $query);
 }