Feature flag on tempest conf to notify enabled LDAP
Feature flag on tempest conf to notify enabled LDAP

This adds a new feature flag on tempest conf whenever LDAP is enabled.
When this flag is set to True Tempest users and groups identity tests
adapt to fetch users and groups from different domains.

Change-Id: I368ddf34908b906355c422bd1afd6ab9b1a80053
Depends-On: Iedb470c51fa2174ab7651e6b7e22eff1f25f7aac

nawawi/openstack,nawawi/openstack,dtroyer/devstack,openstack-dev/devstack,noironetworks/devstack,group-policy/devstack,group-policy/devstack,dtroyer/devstack,noironetworks/devstack,openstack-dev/devstack