Added delay for Server power operation page

Change-Id: I6b2f5f47ab0a7bc28649e3b332fc6f650b127669
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/operations_menu/test_server_power_operations_sub_menu.robot b/gui/gui_test/operations_menu/test_server_power_operations_sub_menu.robot
index 52d3123..6ba8458 100644
--- a/gui/gui_test/operations_menu/test_server_power_operations_sub_menu.robot
+++ b/gui/gui_test/operations_menu/test_server_power_operations_sub_menu.robot
@@ -106,10 +106,8 @@
     [Setup]  Run Keywords  Redfish Power On  stack_mode=skip  AND  Launch Browser And Login GUI
     ...  AND  Navigate to Server Power Operation Page
 
-    Page Should Contain Element  ${xpath_current_power_state}
-    Element Should Contain   ${xpath_current_power_state}  On
-
-
+    Wait Until Keyword Succeeds  15 sec  5 sec   Element Should Contain   ${xpath_current_power_state}  On
+   
 Verify PowerOn Button Should Present At Power Off
     [Documentation]  Verify existence of poweron button at power off.
     [Tags]  Verify_PowerOn_Button_Should_Present_At_Power_Off