AssertAssociationCount(t, user, "Languages", 1, "before replace")

	// Replace with a new map value
	if err := DB.Model(&user).Association("Languages").Replace(map[string]interface{}{
		"code": "rm2m_map_1", "name": "ReplaceMap1",
	}); err != nil {
		t.Fatalf("replace map: %v", err)
	}
	AssertAssociationCount(t, user, "Languages", 1, "after replace with 1 map")

	var langs []Language