Send back user-agent to help identify which requests come through
diff --git a/src/test/java/org/apache/sling/uca/impl/MisbehavingServerExtension.java b/src/test/java/org/apache/sling/uca/impl/MisbehavingServerExtension.java
index 702b82f..601adfd 100644
--- a/src/test/java/org/apache/sling/uca/impl/MisbehavingServerExtension.java
+++ b/src/test/java/org/apache/sling/uca/impl/MisbehavingServerExtension.java
@@ -94,6 +94,8 @@
             public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
                     throws IOException, ServletException {
                 response.setStatus(HttpServletResponse.SC_NO_CONTENT);
+                if ( baseRequest.getHeader("User-Agent") != null )
+                    response.addHeader("Original-User-Agent", baseRequest.getHeader("User-Agent"));
                 baseRequest.setHandled(true);
             }
         });