GUI LDAP Patch request HTTP_NO_CONTENT response

Changes:
     - Added valid_status_codes HTTP_OK and HTTP_NO_CONTENT
       as valid response code for the LPDAT PATCH request

Tested:
     - NA

Change-Id: Iae82173ea2583dbdcbfc1fce81edfe048ac42dbc
Signed-off-by: George Keishing <[email protected]>

Author: gkeishin

gui/gui_test/security_and_access_menu/test_ldap_sub_menu.robot

@@ -228,6 +228,7 @@ Create LDAP Configuration
     # Clearing existing LDAP configuration by disabling it.
     Redfish.Patch  ${REDFISH_BASE_URI}AccountService
     ...  body={'${LDAP_TYPE}': {'ServiceEnabled': ${False}}}
+    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
 
     # Wait for GUI to reflect LDAP disabled status.
     Run Keywords  Refresh GUI  AND  Sleep  10s