Added delay for page to load completely

Changes:
    - Added delay for page to load completely


Tested:
     Ran the suite successfully gui/gui_test/operations_menu/test_reboot_bmc_sub_menu.robot

Change-Id: I50200d5a546c8e21044a111a7d4fe738a244d8d6
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/operations_menu/test_reboot_bmc_sub_menu.robot b/gui/gui_test/operations_menu/test_reboot_bmc_sub_menu.robot
index 1624c22..17d5d08 100644
--- a/gui/gui_test/operations_menu/test_reboot_bmc_sub_menu.robot
+++ b/gui/gui_test/operations_menu/test_reboot_bmc_sub_menu.robot
@@ -75,3 +75,4 @@
     Click Element  ${xpath_operations_menu}
     Click Element  ${xpath_reboot_bmc_sub_menu}
     Wait Until Keyword Succeeds  30 sec  10 sec  Location Should Contain  reboot-bmc
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30