if err = tx.Save(&user).Error; err != nil {
		t.Fatalf("No error should raise, but got %v", err)
	}

	if err = tx.First(&User{}, "name = ?", "transaction").Error; err != nil {
		t.Fatalf("Should find saved record, but got %v", err)
	}

	user1 := *GetUser("transaction1-1", Config{})

	if err = tx.Save(&user1).Error; err != nil {
		t.Fatalf("No error should raise, but got %v", err)
	}

	DB.Create(&user)

	var result User
	if DB.Where("").Where("").First(&result).Error != nil {
		t.Errorf("Should not raise any error if searching with empty strings")
	}

	result = User{}
	if DB.Where(&User{}).Where("name = ?", user.Name).First(&result).Error != nil {
		t.Errorf("Should not raise any error if searching with empty struct")
	}

	result = User{}