LDAP Fix: Add valid status codes for patch operation

    Changes:
        Add valid status code such as HTTP_OK, HTTP_NO_CONTENT
        for Redfish Patch operation

    Tested:
        Ran and tested on BMC Environment.

Change-Id: I9652adc45ed422a2724cf6e8ea778723ef070ddb
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/lib/bmc_ldap_utils.robot b/lib/bmc_ldap_utils.robot
index 248eac7..44002f2 100644
--- a/lib/bmc_ldap_utils.robot
+++ b/lib/bmc_ldap_utils.robot
@@ -85,4 +85,5 @@
     ...           {'BaseDistinguishedNames': ['${ldap_base_dn}']}}}}
 
     Redfish.Patch  ${REDFISH_BASE_URI}AccountService  body=${body}
+    ...  valid_status_codes=[${HTTP_OK},${HTTP_NO_CONTENT}]
     Sleep  15s