var findUser2 User
	err = DB.Preload("Languages").Where("id = ?", user2.ID).First(&findUser2).Error
	AssertEqual(t, nil, err)
	AssertEqual(t, user2, findUser2)
}

func TestConcurrentMany2ManyAssociation(t *testing.T) {
	db, err := OpenTestConnection(&gorm.Config{})
	if err != nil {
		t.Fatalf("open test connection failed, err: %+v", err)
	}

	count := 3

	var languages []Language