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/security_and_access_menu/test_multiple_interfaces.robot b/gui/gui_test/security_and_access_menu/test_multiple_interfaces.robot
index fa48614..b579d81 100644
--- a/gui/gui_test/security_and_access_menu/test_multiple_interfaces.robot
+++ b/gui/gui_test/security_and_access_menu/test_multiple_interfaces.robot
@@ -108,4 +108,4 @@
     Click Element  ${xpath_secuity_and_accesss_menu}
     Click Element  ${xpath_certificates_sub_menu}
     Wait Until Keyword Succeeds  30 sec  10 sec  Location Should Contain  certificates
-
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30