diff --git a/src/python/src/grpc/_adapter/_lonely_rear_link_test.py b/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
index 29c95d1d0a0c5..ead0b9eb38322 100644
--- a/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
+++ b/src/python/src/grpc/_adapter/_lonely_rear_link_test.py
@@ -88,7 +88,6 @@ def _perform_lonely_client_test_with_ticket_kind(
           fore_link.tickets[-1].kind,
           packets.BackToFrontPacket.Kind.COMPLETION)
 
-  @unittest.skip('TODO(nathaniel): This seems to have broken in the last few weeks; fix it.')
   def testLonelyClientCommencementPacket(self):
     self._perform_lonely_client_test_with_ticket_kind(
         packets.FrontToBackPacket.Kind.COMMENCEMENT)