GUI: Added delay for page to load completely after page refresh

Changes:
    - Added delay for page to load completely for - Verify_Event_Under_Warning_Event_Logs_Section

Tested: -
    -  Successfully ran this from gui/gui_test/overview_menu/test_overview_menu.robot
Change-Id: Ib3d235682e0848e35d0e0046942073d5c4190196
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/overview_menu/test_overview_menu.robot b/gui/gui_test/overview_menu/test_overview_menu.robot
index 9b8570c..9d26a86 100644
--- a/gui/gui_test/overview_menu/test_overview_menu.robot
+++ b/gui/gui_test/overview_menu/test_overview_menu.robot
@@ -126,6 +126,7 @@
     BMC Execute Command  ${CMD_PREDICTIVE_ERROR}
 
     Click Element  ${xpath_refresh_button}
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30
 
     ${log_count}=  Get Text  ${xpath_warning_logs_count}
     Should Be Equal As Integers  ${log_count}  1