Use the prefix-embedded rand_name method
A version of data_utils.rand_name in tempest_lib was created in tempest to
include a prefix specified in the conf file. This commit changes the
data_utils imports to use the new one in tempest.
Change-Id: Ie3fb5c3ac9afe365bf24e40b00be88d66da7c507
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index 986007a..7eb92bc 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -13,10 +13,10 @@
# License for the specific language governing permissions and limitations
# under the License.
-from tempest_lib.common.utils import data_utils
from tempest_lib import exceptions as lib_exc
from tempest.api.identity import base
+from tempest.common.utils import data_utils
from tempest import test