[S.R.Serialization] fix broken test (exposed by referencesource import work).

diff --git a/mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/XmlObjectSerializerTest.cs b/mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/XmlObjectSerializerTest.cs
index 0fc956d862074bef6efc18df22ce0de563bbe21e..993115f273a83d7d01bf9428125c55ea2ec91e83 100755 (executable)
--- a/mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/XmlObjectSerializerTest.cs
+++ b/mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/XmlObjectSerializerTest.cs
@@ -1641,7 +1641,7 @@ namespace MonoTests.System.Runtime.Serialization
                                        + "<SecondId>ID-GOES-HERE</SecondId>"
                                        + "</MyData>";
                        var serializer = new DataContractSerializer (typeof (MyData));
-                       using (var stream = new MemoryStream (Encoding.UTF8.GetBytes (whatItGets)))
+                       using (var stream = new MemoryStream (Encoding.UTF8.GetBytes (whatItGets.Replace ("ID-GOES-HERE", Guid.NewGuid ().ToString ()))))
                        {
                                var data = serializer.ReadObject (stream);
                        }