Fix tests

Author: andystaples

samples-v2/function_chaining/tests/test_http_start.py

@@ -22,6 +22,6 @@ def test_HttpStart(self, client):
     # Create a generator using the method and mocked context
     result = asyncio.run(func_call(req, client))
 
-    client.start_new.assert_called_once_with("my_orchestrator", client_input={})
+    client.start_new.assert_called_once_with("my_orchestrator")
     client.create_check_status_response.assert_called_once_with(req, "instance_id")
     self.assertEqual(result, "check_status_response")