Added delay for page to load completely

Change-Id: Ib12ff16cf92b2ce8bc88ce2ef321ecb209b8be40
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 03866d0..f84929f 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
@@ -158,3 +158,4 @@
     Click Element  ${xpath_operations_menu}
     Click Element  ${xpath_server_power_operations_sub_menu}
     Wait Until Keyword Succeeds  30 sec  10 sec  Location Should Contain  server-power-operations
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30