diff --git a/glance/tests/unit/api/test_common.py b/glance/tests/unit/api/test_common.py
index e2b5b484f8..e369b38200 100644
--- a/glance/tests/unit/api/test_common.py
+++ b/glance/tests/unit/api/test_common.py
@@ -13,12 +13,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
 from unittest import mock
+
+from oslo_log.fixture import logging_error as log_fixture
+import testtools
 import webob
 
 import glance.api.common
 from glance.common import exception
+from glance.tests.unit import fixtures as glance_fixtures
 
 
 class SimpleIterator(object):
@@ -39,6 +42,17 @@ class SimpleIterator(object):
 
 
 class TestSizeCheckedIter(testtools.TestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        # Limit the amount of DeprecationWarning messages in the unit test logs
+        self.useFixture(glance_fixtures.WarningsFixture())
+
+        # Make sure logging output is limited but still test debug formatting
+        self.useFixture(log_fixture.get_logging_handle_error_fixture())
+        self.useFixture(glance_fixtures.StandardLogging())
+
     def _get_image_metadata(self):
         return {'id': 'e31cb99c-fe89-49fb-9cc5-f5104fffa636'}
 
@@ -128,6 +142,16 @@ class TestSizeCheckedIter(testtools.TestCase):
 
 
 class TestThreadPool(testtools.TestCase):
+    def setUp(self):
+        super().setUp()
+
+        # Limit the amount of DeprecationWarning messages in the unit test logs
+        self.useFixture(glance_fixtures.WarningsFixture())
+
+        # Make sure logging output is limited but still test debug formatting
+        self.useFixture(log_fixture.get_logging_handle_error_fixture())
+        self.useFixture(glance_fixtures.StandardLogging())
+
     @mock.patch('glance.async_.get_threadpool_model')
     def test_get_thread_pool(self, mock_gtm):
         get_thread_pool = glance.api.common.get_thread_pool
diff --git a/glance/tests/unit/common/test_client.py b/glance/tests/unit/common/test_client.py
index b94cad692e..abe03870bd 100644
--- a/glance/tests/unit/common/test_client.py
+++ b/glance/tests/unit/common/test_client.py
@@ -16,10 +16,12 @@
 import http.client
 from unittest import mock
 
+from oslo_log.fixture import logging_error as log_fixture
 import testtools
 
 from glance.common import auth
 from glance.common import client
+from glance.tests.unit import fixtures as glance_fixtures
 from glance.tests import utils
 
 
@@ -31,8 +33,12 @@ class TestClient(testtools.TestCase):
         self.client = client.BaseClient(self.endpoint, port=9191,
                                         auth_token='abc123')
 
-    def tearDown(self):
-        super(TestClient, self).tearDown()
+        # Limit the amount of DeprecationWarning messages in the unit test logs
+        self.useFixture(glance_fixtures.WarningsFixture())
+
+        # Make sure logging output is limited but still test debug formatting
+        self.useFixture(log_fixture.get_logging_handle_error_fixture())
+        self.useFixture(glance_fixtures.StandardLogging())
 
     def test_make_auth_plugin(self):
         creds = {'strategy': 'keystone'}
diff --git a/glance/tests/unit/test_cache_middleware.py b/glance/tests/unit/test_cache_middleware.py
index 39288b8213..5e8602c5f4 100644
--- a/glance/tests/unit/test_cache_middleware.py
+++ b/glance/tests/unit/test_cache_middleware.py
@@ -16,6 +16,7 @@
 import http.client as http
 from unittest.mock import patch
 
+from oslo_log.fixture import logging_error as log_fixture
 from oslo_policy import policy
 from oslo_utils.fixture import uuidsentinel as uuids
 import testtools
@@ -26,6 +27,7 @@ import glance.api.policy
 from glance.common import exception
 from glance import context
 from glance.tests.unit import base
+from glance.tests.unit import fixtures as glance_fixtures
 from glance.tests.unit import test_policy
 from glance.tests.unit import utils as unit_test_utils
 
@@ -59,6 +61,16 @@ class ImageStub(object):
 
 
 class TestCacheMiddlewareURLMatching(testtools.TestCase):
+    def setUp(self):
+        super().setUp()
+
+        # Limit the amount of DeprecationWarning messages in the unit test logs
+        self.useFixture(glance_fixtures.WarningsFixture())
+
+        # Make sure logging output is limited but still test debug formatting
+        self.useFixture(log_fixture.get_logging_handle_error_fixture())
+        self.useFixture(glance_fixtures.StandardLogging())
+
     def test_v2_match_id(self):
         req = webob.Request.blank('/v2/images/asdf/file')
         out = glance.api.middleware.cache.CacheFilter._match_request(req)
@@ -81,6 +93,13 @@ class TestCacheMiddlewareRequestStashCacheInfo(testtools.TestCase):
         self.request = webob.Request.blank('')
         self.middleware = glance.api.middleware.cache.CacheFilter
 
+        # Limit the amount of DeprecationWarning messages in the unit test logs
+        self.useFixture(glance_fixtures.WarningsFixture())
+
+        # Make sure logging output is limited but still test debug formatting
+        self.useFixture(log_fixture.get_logging_handle_error_fixture())
+        self.useFixture(glance_fixtures.StandardLogging())
+
     def test_stash_cache_request_info(self):
         self.middleware._stash_request_info(self.request, 'asdf', 'GET', 'v2')
         self.assertEqual('asdf', self.request.environ['api.cache.image_id'])