Respond to upstream changes

Author: dandavison

tests/worker/test_workflow.py

@@ -5736,11 +5736,12 @@ async def _run_workflow_and_get_warning(self) -> bool:
                     if self.handler_waiting == "-wait-all-handlers-finish-":
                         await update_task
                     else:
-                        with pytest.raises(RPCError) as update_err:
+                        with pytest.raises(WorkflowUpdateFailedError) as err_info:
                             await update_task
-                        assert update_err.value.status == RPCStatusCode.NOT_FOUND and (
-                            str(update_err.value).lower()
-                            == "workflow execution already completed"
+                        update_err = err_info.value
+                        assert isinstance(update_err.cause, ApplicationError)
+                        assert (
+                            update_err.cause.type == "AcceptedUpdateCompletedWorkflow"
                         )
 
                 with pytest.raises(WorkflowFailureError) as err: