Fix rest_client import for Tempest based tests

Tempest master has been changed and since Murano test jobs use tempest master, this change is critical to merge.

Change-Id: Ia6d90914484b7f6e51172e3ae7505838c5f65eac

murano/tests/functional/api/base.py

@@ -14,16 +14,18 @@
 
 import json
 import os
-import requests
 import time
 import uuid
 
+import requests
+
 from tempest import clients
 from tempest.common import isolated_creds
-from tempest.common import rest_client
 from tempest import config
-from tempest import exceptions
-import tempest.test
+from tempest import test
+from tempest_lib.common import rest_client
+from tempest_lib import exceptions
+
 
 CONF = config.CONF
 
@@ -222,7 +224,7 @@ class MuranoClient(rest_client.RestClient):
         return resp, json.loads(body)
 
 
-class TestCase(tempest.test.BaseTestCase):
+class TestCase(test.BaseTestCase):
     @classmethod
     def setUpClass(cls):
         super(TestCase, cls).setUpClass()

murano/tests/functional/api/v1/test_envs.py

@@ -12,8 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest import exceptions
 from tempest.test import attr
+from tempest_lib import exceptions
 
 from murano.tests.functional.api import base
 

murano/tests/functional/api/v1/test_repository.py

@@ -17,8 +17,7 @@ import uuid
 import zipfile
 
 from tempest.test import attr
-
-from tempest import exceptions
+from tempest_lib import exceptions
 
 from murano.tests.functional.api import base
 

murano/tests/functional/api/v1/test_services.py

@@ -14,8 +14,8 @@
 
 import testtools
 
-from tempest import exceptions
 from tempest.test import attr
+from tempest_lib import exceptions
 
 from murano.tests.functional.api import base
 

murano/tests/functional/api/v1/test_sessions.py

@@ -14,8 +14,8 @@
 
 import testtools
 
-from tempest import exceptions
 from tempest.test import attr
+from tempest_lib import exceptions
 
 from murano.tests.functional.api import base