Added testcases for Security settings page

Change-Id: I5daf944934c201e590f86c2bdbf87d50298c7869
Signed-off-by: Ashwini Chandrappa <Ashwini.Chandrappa777@ibm.com>
diff --git a/gui/data/gui_variables.py b/gui/data/gui_variables.py
index f45963a..a5925b3 100644
--- a/gui/data/gui_variables.py
+++ b/gui/data/gui_variables.py
@@ -51,6 +51,7 @@
     xpath_select_network_settings = "//*[@data-test-id='nav-item-network-settings']"
     xpath_date_time_settings_sub_menu = "//*[@data-test-id='nav-item-date-time-settings']"
     xpath_firmware_update_sub_menu = "//*[@data-test-id='nav-item-firmware']"
+    xpath_security_settings_sub_menu = "//*[@data-test-id='nav-item-security-settings']"
 
     # Access control menu
     xpath_access_control_menu = "//*[@data-test-id='nav-button-access-control']"