diff --git a/aodh/storage/hbase/base.py b/aodh/storage/hbase/base.py
index 6db8152b8..0d1fcfd06 100644
--- a/aodh/storage/hbase/base.py
+++ b/aodh/storage/hbase/base.py
@@ -33,7 +33,7 @@ class Connection(object):
         opts = self._parse_connection_url(url)
 
         if opts['host'] == '__test__':
-            url = os.environ.get('AODH_TEST_HBASE_URL')
+            url = os.environ.get('AODH_TEST_STORAGE_URL')
             if url:
                 # Reparse URL, but from the env variable now
                 opts = self._parse_connection_url(url)
diff --git a/aodh/tests/functional/api/v2/test_acl_scenarios.py b/aodh/tests/functional/api/v2/test_acl_scenarios.py
index 8cf5da196..ae88aed2f 100644
--- a/aodh/tests/functional/api/v2/test_acl_scenarios.py
+++ b/aodh/tests/functional/api/v2/test_acl_scenarios.py
@@ -20,11 +20,9 @@ import webtest
 
 from aodh.api import app
 from aodh.tests.functional.api import v2
-from aodh.tests.functional import db as tests_db
 
 
-class TestAPIACL(v2.FunctionalTest,
-                 tests_db.MixinTestsWithBackendScenarios):
+class TestAPIACL(v2.FunctionalTest):
 
     def _make_app(self):
         file_name = self.path_get('etc/aodh/api_paste.ini')
diff --git a/aodh/tests/functional/api/v2/test_alarm_scenarios.py b/aodh/tests/functional/api/v2/test_alarm_scenarios.py
index eb6415874..e82296764 100644
--- a/aodh/tests/functional/api/v2/test_alarm_scenarios.py
+++ b/aodh/tests/functional/api/v2/test_alarm_scenarios.py
@@ -29,7 +29,6 @@ from aodh import messaging
 from aodh.storage import models
 from aodh.tests import constants
 from aodh.tests.functional.api import v2
-from aodh.tests.functional import db as tests_db
 
 
 def default_alarms(auth_headers):
@@ -138,8 +137,7 @@ def default_alarms(auth_headers):
             ]
 
 
-class TestAlarmsBase(v2.FunctionalTest,
-                     tests_db.MixinTestsWithBackendScenarios):
+class TestAlarmsBase(v2.FunctionalTest):
 
     def setUp(self):
         super(TestAlarmsBase, self).setUp()
diff --git a/aodh/tests/functional/api/v2/test_capabilities.py b/aodh/tests/functional/api/v2/test_capabilities.py
index 775f4dbcf..599bbc2a7 100644
--- a/aodh/tests/functional/api/v2/test_capabilities.py
+++ b/aodh/tests/functional/api/v2/test_capabilities.py
@@ -14,17 +14,10 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
-import testscenarios
-
 from aodh.tests.functional.api import v2 as tests_api
-from aodh.tests.functional import db as tests_db
-
-load_tests = testscenarios.load_tests_apply_scenarios
 
 
-class TestCapabilitiesController(tests_api.FunctionalTest,
-                                 tests_db.MixinTestsWithBackendScenarios):
+class TestCapabilitiesController(tests_api.FunctionalTest):
 
     def setUp(self):
             super(TestCapabilitiesController, self).setUp()
diff --git a/aodh/tests/functional/api/v2/test_complex_query_scenarios.py b/aodh/tests/functional/api/v2/test_complex_query_scenarios.py
index a839f1f7d..0481f41d0 100644
--- a/aodh/tests/functional/api/v2/test_complex_query_scenarios.py
+++ b/aodh/tests/functional/api/v2/test_complex_query_scenarios.py
@@ -24,7 +24,6 @@ from oslo_utils import timeutils
 
 from aodh.storage import models
 from aodh.tests.functional.api import v2 as tests_api
-from aodh.tests.functional import db as tests_db
 
 
 admin_header = {"X-Roles": "admin",
@@ -35,8 +34,7 @@ non_admin_header = {"X-Roles": "Member",
                     "project-id1"}
 
 
-class TestQueryAlarmsController(tests_api.FunctionalTest,
-                                tests_db.MixinTestsWithBackendScenarios):
+class TestQueryAlarmsController(tests_api.FunctionalTest):
 
     def setUp(self):
         super(TestQueryAlarmsController, self).setUp()
@@ -202,8 +200,7 @@ class TestQueryAlarmsController(tests_api.FunctionalTest,
         self.assertIn(b"Limit should be positive", data.body)
 
 
-class TestQueryAlarmsHistoryController(
-        tests_api.FunctionalTest, tests_db.MixinTestsWithBackendScenarios):
+class TestQueryAlarmsHistoryController(tests_api.FunctionalTest):
 
     def setUp(self):
         super(TestQueryAlarmsHistoryController, self).setUp()
diff --git a/aodh/tests/functional/db.py b/aodh/tests/functional/db.py
index 5f4df0af6..e0359716f 100644
--- a/aodh/tests/functional/db.py
+++ b/aodh/tests/functional/db.py
@@ -26,7 +26,6 @@ from oslotest import mockpatch
 import six
 from six.moves.urllib import parse as urlparse
 import sqlalchemy
-import testscenarios.testcase
 from testtools import testcase
 
 from aodh import service
@@ -120,7 +119,8 @@ class SQLiteManager(fixtures.Fixture):
         self.url = "sqlite://"
 
 
-class TestBase(testscenarios.testcase.WithScenarios, test_base.BaseTestCase):
+@six.add_metaclass(test_base.SkipNotImplementedMeta)
+class TestBase(test_base.BaseTestCase):
 
     DRIVER_MANAGERS = {
         'mongodb': MongoDbManager,
@@ -132,11 +132,10 @@ class TestBase(testscenarios.testcase.WithScenarios, test_base.BaseTestCase):
     if mocks is not None:
         DRIVER_MANAGERS['hbase'] = HBaseManager
 
-    db_url = 'sqlite://'  # NOTE(Alexei_987) Set default db url
-
     def setUp(self):
         super(TestBase, self).setUp()
-        engine = urlparse.urlparse(self.db_url).scheme
+        db_url = os.environ.get('AODH_TEST_STORAGE_URL', 'sqlite://')
+        engine = urlparse.urlparse(db_url).scheme
 
         # NOTE(Alexei_987) Shortcut to skip expensive db setUp
         test_method = self._get_test_method()
@@ -147,12 +146,14 @@ class TestBase(testscenarios.testcase.WithScenarios, test_base.BaseTestCase):
 
         conf = service.prepare_service(argv=[], config_files=[])
         self.CONF = self.useFixture(fixture_config.Config(conf)).conf
-        self.CONF.set_override('connection', self.db_url, group="database")
+        self.CONF.set_override('connection', db_url, group="database")
+
+        manager = self.DRIVER_MANAGERS.get(engine)
+        if not manager:
+            self.skipTest("missing driver manager: %s" % engine)
+
+        self.db_manager = manager(self.CONF)
 
-        try:
-            self.db_manager = self._get_driver_manager(engine)(self.CONF)
-        except ValueError as exc:
-            self.skipTest("missing driver manager: %s" % exc)
         self.useFixture(self.db_manager)
 
         self.CONF.set_override('connection', self.db_manager.url,
@@ -173,12 +174,6 @@ class TestBase(testscenarios.testcase.WithScenarios, test_base.BaseTestCase):
     def _get_connection(self, conf):
         return self.alarm_conn
 
-    def _get_driver_manager(self, engine):
-        manager = self.DRIVER_MANAGERS.get(engine)
-        if not manager:
-            raise ValueError('No manager available for %s' % engine)
-        return manager
-
 
 def run_with(*drivers):
     """Used to mark tests that are only applicable for certain db driver.
@@ -200,24 +195,3 @@ def run_with(*drivers):
             test._run_with = drivers
         return test
     return decorator
-
-
-@six.add_metaclass(test_base.SkipNotImplementedMeta)
-class MixinTestsWithBackendScenarios(object):
-
-    scenarios = [
-        ('sqlite', {'db_url': 'sqlite://'}),
-    ]
-
-    for db in ('MONGODB', 'MYSQL', 'PGSQL', 'HBASE'):
-        if os.environ.get('AODH_TEST_%s_URL' % db):
-            scenarios.append(
-                (db.lower(), {'db_url': os.environ.get(
-                    'AODH_TEST_%s_URL' % db)}))
-
-    scenarios_db = [db for db, _ in scenarios]
-
-    # Insert default value for hbase test
-    if 'hbase' not in scenarios_db:
-        scenarios.append(
-            ('hbase', {'db_url': 'hbase://__test__'}))
diff --git a/aodh/tests/functional/gabbi/fixtures.py b/aodh/tests/functional/gabbi/fixtures.py
index d4ddb6059..0fbb9fdb3 100644
--- a/aodh/tests/functional/gabbi/fixtures.py
+++ b/aodh/tests/functional/gabbi/fixtures.py
@@ -23,6 +23,7 @@ from gabbi import fixture
 import mock
 from oslo_config import fixture as fixture_config
 from oslo_policy import opts
+from six.moves.urllib import parse as urlparse
 
 from aodh import service
 from aodh import storage
@@ -31,7 +32,7 @@ from aodh import storage
 # TODO(chdent): For now only MongoDB is supported, because of easy
 # database name handling and intentional focus on the API, not the
 # data store.
-ENGINES = ['MONGODB']
+ENGINES = ['mongodb']
 
 
 class ConfigFixture(fixture.GabbiFixture):
@@ -43,16 +44,15 @@ class ConfigFixture(fixture.GabbiFixture):
         self.conf = None
 
         # Determine the database connection.
-        db_url = None
-        for engine in ENGINES:
-            try:
-                db_url = os.environ['AODH_TEST_%s_URL' % engine]
-            except KeyError:
-                pass
-        if db_url is None:
+        db_url = os.environ.get('AODH_TEST_STORAGE_URL')
+        if not db_url:
             raise case.SkipTest('No database connection configured')
 
-        conf = service.prepare_service(argv=[], config_files=[])
+        engine = urlparse.urlparse(db_url).scheme
+        if engine not in ENGINES:
+            raise case.SkipTest('Database engine not supported')
+
+        conf = service.prepare_service([], config_files=[])
         # NOTE(jd): prepare_service() is called twice: first by load_app() for
         # Pecan, then Pecan calls pastedeploy, which starts the app, which has
         # no way to pass the conf object so that Paste apps calls again
diff --git a/aodh/tests/functional/storage/sqlalchemy/test_migrations.py b/aodh/tests/functional/storage/sqlalchemy/test_migrations.py
index e3f184e67..6566d9757 100644
--- a/aodh/tests/functional/storage/sqlalchemy/test_migrations.py
+++ b/aodh/tests/functional/storage/sqlalchemy/test_migrations.py
@@ -31,7 +31,6 @@ class ABCSkip(base.SkipNotImplementedMeta, abc.ABCMeta):
 class ModelsMigrationsSync(
         six.with_metaclass(ABCSkip,
                            tests_db.TestBase,
-                           tests_db.MixinTestsWithBackendScenarios,
                            test_migrations.ModelsMigrationsSync)):
 
     def setUp(self):
diff --git a/aodh/tests/functional/storage/test_impl_hbase.py b/aodh/tests/functional/storage/test_impl_hbase.py
index 020490b08..96b07d94e 100644
--- a/aodh/tests/functional/storage/test_impl_hbase.py
+++ b/aodh/tests/functional/storage/test_impl_hbase.py
@@ -33,8 +33,7 @@ from aodh.tests import base as test_base
 from aodh.tests.functional import db as tests_db
 
 
-class ConnectionTest(tests_db.TestBase,
-                     tests_db.MixinTestsWithBackendScenarios):
+class ConnectionTest(tests_db.TestBase):
 
     @tests_db.run_with('hbase')
     def test_hbase_connection(self):
diff --git a/aodh/tests/functional/storage/test_impl_mongodb.py b/aodh/tests/functional/storage/test_impl_mongodb.py
index e106241e5..c26680d0a 100644
--- a/aodh/tests/functional/storage/test_impl_mongodb.py
+++ b/aodh/tests/functional/storage/test_impl_mongodb.py
@@ -27,8 +27,7 @@ from aodh.tests.functional import db as tests_db
 
 
 @tests_db.run_with('mongodb')
-class MongoDBConnection(tests_db.TestBase,
-                        tests_db.MixinTestsWithBackendScenarios):
+class MongoDBConnection(tests_db.TestBase):
     def test_connection_pooling(self):
         test_conn = impl_mongodb.Connection(self.CONF,
                                             self.CONF.database.connection)
@@ -41,9 +40,7 @@ class MongoDBConnection(tests_db.TestBase,
 
 
 @tests_db.run_with('mongodb')
-class IndexTest(tests_db.TestBase,
-                tests_db.MixinTestsWithBackendScenarios):
-
+class IndexTest(tests_db.TestBase):
     def _test_ttl_index_absent(self, conn, coll_name, ttl_opt):
         # create a fake index and check it is deleted
         coll = getattr(conn.db, coll_name)
diff --git a/aodh/tests/functional/storage/test_storage_scenarios.py b/aodh/tests/functional/storage/test_storage_scenarios.py
index c1c048270..1d6ab24c1 100644
--- a/aodh/tests/functional/storage/test_storage_scenarios.py
+++ b/aodh/tests/functional/storage/test_storage_scenarios.py
@@ -138,8 +138,7 @@ class AlarmTestBase(DBTestBase):
             self.alarm_conn.create_alarm(a)
 
 
-class AlarmTest(AlarmTestBase,
-                tests_db.MixinTestsWithBackendScenarios):
+class AlarmTest(AlarmTestBase):
 
     def test_empty(self):
         alarms = list(self.alarm_conn.get_alarms())
@@ -254,8 +253,7 @@ class AlarmTest(AlarmTestBase,
 
 
 @tests_db.run_with('sqlite', 'mysql', 'pgsql', 'hbase')
-class AlarmHistoryTest(AlarmTestBase,
-                       tests_db.MixinTestsWithBackendScenarios):
+class AlarmHistoryTest(AlarmTestBase):
 
     def setUp(self):
         super(AlarmTestBase, self).setUp()
@@ -308,8 +306,7 @@ class AlarmHistoryTest(AlarmTestBase,
         self.assertEqual(0, len(history))
 
 
-class ComplexAlarmQueryTest(AlarmTestBase,
-                            tests_db.MixinTestsWithBackendScenarios):
+class ComplexAlarmQueryTest(AlarmTestBase):
 
     def test_no_filter(self):
         self.add_some_alarms()
@@ -371,8 +368,7 @@ class ComplexAlarmQueryTest(AlarmTestBase,
             self.assertTrue(a.enabled)
 
 
-class ComplexAlarmHistoryQueryTest(AlarmTestBase,
-                                   tests_db.MixinTestsWithBackendScenarios):
+class ComplexAlarmHistoryQueryTest(AlarmTestBase):
     def setUp(self):
         super(DBTestBase, self).setUp()
         self.filter_expr = {"and":
diff --git a/functions.sh b/functions.sh
index 4b6f5e704..ead5eb498 100644
--- a/functions.sh
+++ b/functions.sh
@@ -1,9 +1,5 @@
 function clean_exit(){
     local error_code="$?"
-    if test -n "$AODH_TEST_HBASE_URL"
-    then
-            python tools/test_hbase_table_utils.py --clear
-    fi
     rm -rf "$1"
     kill $(jobs -p)
     return $error_code
diff --git a/setup-test-env-mongodb.sh b/setup-test-env-mongodb.sh
index 4676ba112..6374d2c58 100755
--- a/setup-test-env-mongodb.sh
+++ b/setup-test-env-mongodb.sh
@@ -21,12 +21,7 @@ mongod --maxConns 32 --nojournal --noprealloc --smallfiles --quiet --noauth --po
 wait_for_line "waiting for connections on port ${MONGO_PORT}" ${MONGO_DATA}/out
 # Read the fifo for ever otherwise mongod would block
 cat ${MONGO_DATA}/out > /dev/null &
-export AODH_TEST_MONGODB_URL="mongodb://localhost:${MONGO_PORT}/AODH"
-if test -n "$AODH_TEST_HBASE_URL"
-then
-    export AODH_TEST_HBASE_TABLE_PREFIX=$(hexdump -n 16 -v -e '/1 "%02X"' /dev/urandom)
-    python tools/test_hbase_table_utils.py --upgrade
-fi
+export AODH_TEST_STORAGE_URL="mongodb://localhost:${MONGO_PORT}/AODH"
 
 # Yield execution to venv command
 $*
diff --git a/setup-test-env-mysql.sh b/setup-test-env-mysql.sh
index e6145328e..81d446923 100755
--- a/setup-test-env-mysql.sh
+++ b/setup-test-env-mysql.sh
@@ -22,7 +22,7 @@ mkfifo ${MYSQL_DATA}/out
 mysqld --datadir=${MYSQL_DATA} --pid-file=${MYSQL_DATA}/mysql.pid --socket=${MYSQL_DATA}/mysql.socket --skip-networking --skip-grant-tables &> ${MYSQL_DATA}/out &
 # Wait for MySQL to start listening to connections
 wait_for_line "mysqld: ready for connections." ${MYSQL_DATA}/out
-export AODH_TEST_MYSQL_URL="mysql+pymysql://root@localhost/test?unix_socket=${MYSQL_DATA}/mysql.socket&charset=utf8"
+export AODH_TEST_STORAGE_URL="mysql+pymysql://root@localhost/test?unix_socket=${MYSQL_DATA}/mysql.socket&charset=utf8"
 
 # Yield execution to venv command
 $*
diff --git a/setup-test-env-postgresql.sh b/setup-test-env-postgresql.sh
index 7175d4bdb..34676956d 100755
--- a/setup-test-env-postgresql.sh
+++ b/setup-test-env-postgresql.sh
@@ -28,7 +28,7 @@ ${PGSQL_PATH}/pg_ctl initdb -D ${PGSQL_DATA}
 trap "clean_exit_pgsql ${PGSQL_PATH} ${PGSQL_DATA} ${PGSQL_PORT}" EXIT
 
 LANGUAGE=C ${PGSQL_PATH}/pg_ctl -w -D ${PGSQL_DATA} -o "-k ${PGSQL_DATA} -p ${PGSQL_PORT}" start
-export AODH_TEST_PGSQL_URL="postgresql:///?host=${PGSQL_DATA}&port=${PGSQL_PORT}&dbname=template1"
+export AODH_TEST_STORAGE_URL="postgresql:///?host=${PGSQL_DATA}&port=${PGSQL_PORT}&dbname=template1"
 
 # Yield execution to venv command
 $*
diff --git a/test-requirements.txt b/test-requirements.txt
index 351238257..19a7cbbfa 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -20,7 +20,6 @@ sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 sphinxcontrib-httpdomain
 sphinxcontrib-pecanwsme>=0.8
 testrepository>=0.0.18
-testscenarios>=0.4
 testtools>=1.4.0
 gabbi>=0.12.0 # Apache-2.0
 # Provides subunit-trace
diff --git a/tools/test_hbase_table_utils.py b/tools/test_hbase_table_utils.py
index 6fec2e3fe..ed7780d70 100644
--- a/tools/test_hbase_table_utils.py
+++ b/tools/test_hbase_table_utils.py
@@ -20,9 +20,9 @@ from aodh import storage
 
 def main(argv):
     cfg.CONF([], project='aodh')
-    if os.getenv("AODH_TEST_HBASE_URL"):
+    if os.getenv("AODH_TEST_STORAGE_URL"):
         url = ("%s?table_prefix=%s" %
-               (os.getenv("AODH_TEST_HBASE_URL"),
+               (os.getenv("AODH_TEST_STORAGE_URL"),
                 os.getenv("AODH_TEST_HBASE_TABLE_PREFIX", "test")))
         cfg.CONF.set_override("connection", url, group="database")
         alarm_conn = storage.get_connection_from_conf(cfg.CONF)