Change test_obmcrest.robot URI to xyz

Resolves openbmc/openbmc-test-automation#241

Change-Id: I48047e7d32c5ef837f315b26c2f1f0f4c782ff55
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/test_lists/skip_test_witherspoon b/test_lists/skip_test_witherspoon
index 5538a8d..1eaa7f0 100644
--- a/test_lists/skip_test_witherspoon
+++ b/test_lists/skip_test_witherspoon
@@ -46,6 +46,7 @@
 #https://github.com/openbmc/openbmc/issues/830
 -e Good_connection_for_testing
 -e get_directory_listing
+-e get_directory_listing_xyz
 -e get_names
 -e get_names_org
 -e Event_Logging