Added test message announcement test. (#40)

Author: Kevin Hellemun

tests/model/generated/object/test_notification_url.py

@@ -142,3 +142,10 @@ def test_bunq_me_tab_model(self):
             endpoint.BunqMeTab.__name__,
             self._GET_BUNQ_ME_TAB
         )
+
+    def test_chat_message_announcement_model(self):
+        self.execute_test(
+            self.JSON_PATH_CHAT_MESSAGE_ANNOUNCEMENT_MODEL,
+            endpoint.ChatMessageAnnouncement.__name__,
+            self._GET_CHAT_MESSAGE_ANNOUNCEMENT
+        )