if user.Manager != nil {
			if user.ManagerID == nil {
				t.Errorf("Manager's foreign key should be saved")
			} else {
				var manager User
				db(unscoped).First(&manager, "id = ?", *user.ManagerID)
				AssertObjEqual(t, manager, user.Manager, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age",
					"Birthday", "CompanyID", "ManagerID", "Active")