}

	if pet.ID == 0 {
		t.Fatalf("Pet's ID should be created")
	}

	user.Pets = append(user.Pets, &pet)
	CheckUser(t, user2, user)

	AssertAssociationCount(t, user, "Pets", 3, "AfterAppend")

	pets2 := []Pet{{Name: "pet-has-many-append-1-1"}, {Name: "pet-has-many-append-1-1"}}

	if err := DB.Model(&user2).Association("Pets").Append(&pets2); err != nil {

		t.Fatalf("Error happened when append account, got %v", err)
	}

	user.Languages = append(user.Languages, language)
	CheckUser(t, user2, user)

	AssertAssociationCount(t, user, "Languages", 3, "AfterAppend")

	languages := []Language{
		{Code: "language-many2many-append-1-1", Name: "language-many2many-append-1-1"},
		{Code: "language-many2many-append-2-1", Name: "language-many2many-append-2-1"},
	}
	DB.Create(&languages)