Added status code check

Changes:
   - Added status code check.

Tested:
   - Ran successfully
     lib/code_update_utils.robot

Change-Id: I02a240dbc6165543c10986b9c31941c2de57501d
Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
diff --git a/lib/code_update_utils.robot b/lib/code_update_utils.robot
index 4bb04b6..ae3581f 100644
--- a/lib/code_update_utils.robot
+++ b/lib/code_update_utils.robot
@@ -741,6 +741,7 @@
 
     Redfish.Patch  ${REDFISH_BASE_URI}UpdateService
     ...  body={'HttpPushUriOptions' : {'HttpPushUriApplyTime' : {'ApplyTime' : '${policy}'}}}
+    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
     Verify Get ApplyTime  ${policy}