t.Skip("IPv6 is required")
	}

	ipaddrs, err := DefaultResolver.LookupIPAddr(context.Background(), "fe80::1%lo0")
	if err != nil {
		t.Error(err)
	}
	for _, addr := range ipaddrs {
		if e, a := "lo0", addr.Zone; e != a {
			t.Errorf("wrong zone: want %q, got %q", e, a)
		}
	}

	addrs, err := DefaultResolver.LookupHost(context.Background(), "fe80::1%lo0")
	if err != nil {
		t.Error(err)

            ProjectDependencyResolver projectDependencyResolver,
            DependencyLockingProvider dependencyLockingProvider
        ) {
            DefaultConfigurationResolver defaultResolver = new DefaultConfigurationResolver(
                dependencyGraphResolver,
                repositoriesSupplier,
                metadataHandler,
                resolutionResultsStoreFactory,

			server := server
			var name string
			if def {
				name = "default/"
			} else {
				name = "go/"
			}
			t.Run(name+server, func(t *testing.T) {
				t.Parallel()
				r := DefaultResolver
				if !def {
					r = &Resolver{PreferGo: true}
				}
				fn(t, r, server)
			})
		}
	}
}

func TestNSLookupMX(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)