add test for websocket scheme

Author: rose-a

tests/GraphQL.Integration.Tests/WebsocketTests/Base.cs

@@ -70,6 +70,16 @@ public async void CanSendRequestViaWebsocket()
             response.Data.AddMessage.Content.Should().Be(message);
         }
 
+        [Fact]
+        public async void CanUseWebSocketScheme()
+        {
+            ChatClient.Options.EndPoint = ChatClient.Options.EndPoint.GetWebSocketUri();
+            await ChatClient.InitializeWebsocketConnection();
+            const string message = "some random testing message";
+            var response = await ChatClient.AddMessageAsync(message);
+            response.Data.AddMessage.Content.Should().Be(message);
+        }
+
         [Fact]
         public async void WebsocketRequestCanBeCancelled()
         {