"new_new_name"); err != nil {
		t.Fatalf("Failed to add column, got %v", err)
	}

	if !DB.Table("column_structs").Migrator().HasColumn(&NewColumnStruct{}, "new_new_name") {
		t.Fatalf("Failed to found renamed column")
	}

	if err := DB.Table("column_structs").Migrator().DropColumn(&NewColumnStruct{}, "new_new_name"); err != nil {
		t.Fatalf("Failed to add column, got %v", err)

		}

		if len(results) != 2 {
			t.Errorf("Incorrect users length, expects: 2, got %v", len(results))
		}

		for idx := range results {
			results[idx].Name = results[idx].Name + "_new"
		}

		if err := tx.Save(results).Error; err != nil {
			t.Fatalf("failed to save users, got error %v", err)
		}

		return nil
	}); result.Error != nil || result.RowsAffected != 6 {