}

				{
					// interface{} to interface{}
					var iface2 interface{}
					if err := modePair.dec.Unmarshal(cborFromIface, &iface2); err != nil {
						t.Fatalf("unexpected error from Unmarshal into %T: %v", &iface2, err)
					}
					if diff := cmp.Diff(iface, iface2); diff != "" {
						t.Errorf("unexpected difference on roundtrip from interface{} to interface{}:\n%s", diff)
					}