Move disabling of logging to the test base file

By this change we will not have to disable logging in each test
file which exercises a code which logs something.

Change-Id: I2ec572b425bf0100dbd4033bd1e2430964d9a7ca

config_tempest/tests/base.py

@@ -17,6 +17,7 @@
 
 from fixtures import MonkeyPatch
 import json
+import logging
 import mock
 from oslotest import base
 
@@ -24,6 +25,9 @@ from config_tempest.clients import ClientManager
 from config_tempest.credentials import Credentials
 from config_tempest import tempest_conf
 
+# disable logging when running unit tests
+logging.disable(logging.CRITICAL)
+
 
 class BaseConfigTempestTest(base.BaseTestCase):
 

config_tempest/tests/services/test_boto.py

@@ -13,7 +13,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import logging
 import mock
 
 from config_tempest.services.boto import Ec2Service
@@ -21,9 +20,6 @@ from config_tempest.services.boto import S3Service
 from config_tempest.services.services import Services
 from config_tempest.tests.base import BaseConfigTempestTest
 
-# disable logging when running unit tests
-logging.disable(logging.CRITICAL)
-
 
 class TestEc2Service(BaseConfigTempestTest):
 

config_tempest/tests/test_clients.py

@@ -16,7 +16,6 @@
 # under the License.
 
 from fixtures import MonkeyPatch
-import logging
 import mock
 
 from config_tempest.clients import ClientManager
@@ -24,9 +23,6 @@ from config_tempest.clients import ProjectsClient
 from config_tempest.tests.base import BaseConfigTempestTest
 from tempest.lib import exceptions
 
-# disable logging when running unit tests
-logging.disable(logging.CRITICAL)
-
 
 class TestProjectsClient(BaseConfigTempestTest):
     LIST_PROJECTS = [{'name': 'my_name'}]

config_tempest/tests/test_config_tempest.py

@@ -16,7 +16,6 @@
 # under the License.
 
 from fixtures import MonkeyPatch
-import logging
 import mock
 
 from config_tempest.clients import ClientManager
@@ -24,9 +23,6 @@ from config_tempest import main as tool
 from config_tempest import tempest_conf
 from config_tempest.tests.base import BaseConfigTempestTest
 
-# disable logging when running unit tests
-logging.disable(logging.CRITICAL)
-
 
 class TestOsClientConfigSupport(BaseConfigTempestTest):
 

config_tempest/tests/test_flavors.py

@@ -14,16 +14,12 @@
 # under the License.
 
 from fixtures import MonkeyPatch
-import logging
 import mock
 
 from config_tempest import constants as C
 from config_tempest.flavors import Flavors
 from config_tempest.tests.base import BaseConfigTempestTest
 
-# disable logging when running unit tests
-logging.disable(logging.CRITICAL)
-
 
 class TestFlavors(BaseConfigTempestTest):
     """Flavors test class