ODSC-39392: fix the test

Author: z7ye

ads/model/deployment/common/utils.py

@@ -128,14 +128,14 @@ def send_request(
 
     request_kwargs["headers"] = header
 
-    request_kwargs["auth"] = header.pop("signer")
     if dry_run:
         request_kwargs["headers"]["Accept"] = "*/*"
         req = requests.Request("POST", endpoint, **request_kwargs).prepare()
         if is_json_payload:
             return json.loads(req.body)
         return req.body
     else:
+        request_kwargs["auth"] = header.pop("signer")
         return requests.post(endpoint, **request_kwargs).json()