// switch to specialized. For now we're happy with the current serialization test.
	fuzzer := fuzzer.FuzzerFor(genericfuzzer.Funcs, rand.NewSource(seed), codecs)

	roundtrip.RoundTripExternalTypes(t, scheme, codecs, fuzzer, nil)
}

func TestCompatibility(t *testing.T) {
	scheme := runtime.NewScheme()
	for _, builder := range groups {
		require.NoError(t, builder.AddToScheme(scheme))
	}

		}

		t.Logf("finished group %q", group)
	}
}

// RoundTripExternalTypes applies the round-trip test to all external round-trippable Kinds
// in the scheme.  It will skip all the GroupVersionKinds in the nonRoundTripExternalTypes list .