Added delay for page to load completely

Changes:
    - Added delay for page to load completely

Tested:
     Ran the suite successfully gui/gui_test/settings_menu/test_date_and_time_sub_menu.robot

Change-Id: I5f00f09e77eb2d4a9284e81a56aa6e6ec8a54a3b
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/settings_menu/test_date_and_time_sub_menu.robot b/gui/gui_test/settings_menu/test_date_and_time_sub_menu.robot
index 07409ab..eef9cce 100644
--- a/gui/gui_test/settings_menu/test_date_and_time_sub_menu.robot
+++ b/gui/gui_test/settings_menu/test_date_and_time_sub_menu.robot
@@ -122,3 +122,5 @@
     Click Element  ${xpath_settings_menu}
     Click Element  ${xpath_date_time_sub_menu}
     Wait Until Keyword Succeeds  30 sec  10 sec  Location Should Contain  date-time
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30
+