Add interoperabilty tests for UnRegistered message

test/interoptests/messages/invocation_test.dart

@@ -43,7 +43,8 @@ void main() {
 
     test("MsgPackSerializer", () async {
       var msg = Invocation(1, 1, args: ["abc"], kwargs: {"a": 1});
-      var command = "message invocation ${msg.requestID} ${msg.registrationID} abc -k a=1 --serializer msgpack --output hex";
+      var command =
+          "message invocation ${msg.requestID} ${msg.registrationID} abc -k a=1 --serializer msgpack --output hex";
 
       var output = await runCommand(command);
       var outputBytes = Base16Encoder.instance.decode(output.trim());

test/interoptests/messages/unregistered_test.dart

@@ -0,0 +1,48 @@
+import "package:pinenacl/encoding.dart";
+import "package:test/test.dart";
+
+import "package:wampproto/messages.dart";
+import "package:wampproto/serializers.dart";
+
+import "../helper.dart";
+
+void main() {
+  group("UnRegistered", () {
+    bool isEqual(UnRegistered msg1, UnRegistered msg2) => msg1.requestID == msg2.requestID;
+
+    test("JSONSerializer", () async {
+      var msg = UnRegistered(1);
+      var command = "message unregistered ${msg.requestID} --serializer json";
+
+      var output = await runCommand(command);
+
+      var jsonSerializer = JSONSerializer();
+      var message = jsonSerializer.deserialize(output) as UnRegistered;
+      expect(isEqual(message, msg), true);
+    });
+
+    test("CBORSerializer", () async {
+      var msg = UnRegistered(1);
+      var command = "message unregistered ${msg.requestID} --serializer cbor --output hex";
+
+      var output = await runCommand(command);
+      var outputBytes = Base16Encoder.instance.decode(output.trim());
+
+      var cborSerializer = CBORSerializer();
+      var message = cborSerializer.deserialize(outputBytes) as UnRegistered;
+      expect(isEqual(message, msg), true);
+    });
+
+    test("MsgPackSerializer", () async {
+      var msg = UnRegistered(1);
+      var command = "message unregistered ${msg.requestID} --serializer msgpack --output hex";
+
+      var output = await runCommand(command);
+      var outputBytes = Base16Encoder.instance.decode(output.trim());
+
+      var msgPackSerializer = MsgPackSerializer();
+      var message = msgPackSerializer.deserialize(outputBytes) as UnRegistered;
+      expect(isEqual(message, msg), true);
+    });
+  });
+}