nestedFieldType, found := rt.FindFieldType("CustomObject", "nested")
	if !found {
		t.Fatal("got field not found for 'CustomObject.nested', wanted found")
	}
	if nestedFieldType.Type.GetMessageType() != "CustomObject.nested" {
		t.Errorf("got field type %v, wanted mock_template.nested", nestedFieldType.Type)
	}
	subnameFieldType, found := rt.FindFieldType("CustomObject.nested", "subname")
	if !found {