Added test for LDAP sub menu

Changes:
    - Added suite to test LDAP page
    - Added tests to verify existence of all sections,
      buttons and checkboxes of LDAP page

Change-Id: I412d30ed9a82a98d87773d748f599c71e771432e
Signed-off-by: Sushma M M <sushmm99@in.ibm.com>
diff --git a/gui/data/resource_variables.py b/gui/data/resource_variables.py
index 8becc8a..da9979c 100644
--- a/gui/data/resource_variables.py
+++ b/gui/data/resource_variables.py
@@ -143,3 +143,8 @@
     # xpath for configuration menu
     xpath_server_configuration = "//button[@aria-controls='configuration-menu']"
     xpath_select_network_settings = "//a[@href='#/configuration/network-settings']"
+
+    # xpath for access control menu
+    xpath_access_control_menu = "//button[@aria-controls='access-control-menu']"
+    xpath_ldap_sub_menu = "//a[@href='#/access-control/ldap']"
+    xpath_save_settings_button = "//button[contains(text(),'Save settings')]"