Set conditional compile for .NET 3.5 tests.
diff --git a/src/test/csharp/XmlMessageTest.cs b/src/test/csharp/XmlMessageTest.cs
index 4bd92b4..65f2f43 100644
--- a/src/test/csharp/XmlMessageTest.cs
+++ b/src/test/csharp/XmlMessageTest.cs
@@ -123,8 +123,10 @@
 				}

 			}

 		}

-#endif

 

+#else

+

+		// Test the obsolete API versions until they are completely removed.

 		[Test]

 		public void SendReceiveXmlMessage()

 		{

@@ -176,5 +178,6 @@
 				}

 			}

 		}

+#endif

 	}

 }