public function testNewNestedSetQueryIsOrderedByCustom()
 {
     $category = new OrderedCategory();
     $builder = $category->newNestedSetQuery();
     $query = $builder->getQuery();
     $this->assertNull($query->wheres);
     $this->assertNotEmpty($query->orders);
     $this->assertEquals('name', $category->getOrderColumnName());
     $this->assertEquals('categories.name', $category->getQualifiedOrderColumnName());
     $this->assertEquals($category->getQualifiedOrderColumnName(), $query->orders[0]['column']);
 }