Added test suite for GUI Date and Time settings page

Signed-off-by: Anusha Dathatri <adathatr@in.ibm.com>
Change-Id: Iec49eded00cc5a875722389497e8f65079cf8a03
diff --git a/gui/data/resource_variables.py b/gui/data/resource_variables.py
index e03eede..e35e9b5 100644
--- a/gui/data/resource_variables.py
+++ b/gui/data/resource_variables.py
@@ -70,6 +70,7 @@
     xpath_select_ldap = "//a[@href='#/access-control/ldap']"
     xpath_select_server_health = "//a[@href='#/server-health/event-log']"
     xpath_select_server_led = "//a[@href='#/server-control/server-led']"
+    xpath_select_date_time_settings = "//a[@href='#/configuration/date-time']"
 
     # GUI header elements locators.
     xpath_select_server_power = "//a[@href='#/server-control/power-operations']"