if err := DB.Model(&user2).Association("Team").Append(&teams); err != nil {
		t.Fatalf("Error happened when append team, got %v", err)
	}

	for _, team := range teams {
		team := team
		if team.ID == 0 {
			t.Fatalf("Team's ID should be created")
		}

		user.Team = append(user.Team, team)
	}

	CheckUser(t, user2, user)