test(iis): wrapper test for ws

LstWrapper/web.config

@@ -9,6 +9,10 @@
         <!-- Proxy all requests starting with /lst/ to the .NET wrapper (port 4000) -->
         <rule name="Proxy to Wrapper" stopProcessing="true">
           <match url="^lst/(.*)" />
+          <conditions>
+        <!-- Skip this rule if it's a WebSocket request -->
+        <add input="{HTTP_UPGRADE}" pattern="^WebSocket$" negate="true" />
+      </conditions>
           <action type="Rewrite" url="http://localhost:8080/{R:1}" />
         </rule>
       </rules>