Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: andystaples

tests/durabletask-azuremanaged/test_dts_orchestration_e2e.py

@@ -194,7 +194,7 @@ def parent_orchestrator(ctx: task.OrchestrationContext, _):
 
         task_hub_client = DurableTaskSchedulerClient(host_address=endpoint, secure_channel=True,
                                                      taskhub=taskhub_name, token_credential=None)
-        id = task_hub_client.schedule_new_orchestration(parent_orchestrator, input=10)
+        id = task_hub_client.schedule_new_orchestration(parent_orchestrator, input=None)
         state = task_hub_client.wait_for_orchestration_completion(id, timeout=30)
 
     assert state is not None

tests/durabletask/test_orchestration_e2e.py

@@ -179,7 +179,7 @@ def parent_orchestrator(ctx: task.OrchestrationContext, _):
         w.start()
 
         task_hub_client = client.TaskHubGrpcClient()
-        id = task_hub_client.schedule_new_orchestration(parent_orchestrator, input=10)
+        id = task_hub_client.schedule_new_orchestration(parent_orchestrator, input=None)
         state = task_hub_client.wait_for_orchestration_completion(id, timeout=30)
 
     assert state is not None