diff --git a/ceilometer/tests/api/v2/test_statistics_scenarios.py b/ceilometer/tests/api/v2/test_statistics_scenarios.py
index 4a850058e..817e50ea0 100644
--- a/ceilometer/tests/api/v2/test_statistics_scenarios.py
+++ b/ceilometer/tests/api/v2/test_statistics_scenarios.py
@@ -1231,7 +1231,7 @@ class TestGroupBySource(FunctionalTest,
     scenarios = [
         ('mongodb',
          dict(database_connection=tests_db.MongoDBFakeConnectionUrl())),
-        ('hbase', dict(database_connection='hbase://__test__')),
+        ('hbase', dict(database_connection=tests_db.HBaseFakeConnectionUrl())),
         ('db2', dict(database_connection=tests_db.DB2FakeConnectionUrl())),
     ]
 
@@ -1291,6 +1291,10 @@ class TestGroupBySource(FunctionalTest,
             )
             self.conn.record_metering_data(msg)
 
+    def tearDown(self):
+        self.conn.clear()
+        super(TestGroupBySource, self).tearDown()
+
     def test_group_by_source(self):
         data = self.get_json(self.PATH, groupby=['source'])
         groupby_keys_set = set(x for sub_dict in data
diff --git a/ceilometer/tests/db.py b/ceilometer/tests/db.py
index 91fbbaa2b..368839d78 100644
--- a/ceilometer/tests/db.py
+++ b/ceilometer/tests/db.py
@@ -94,12 +94,25 @@ class DB2FakeConnectionUrl(MongoDBFakeConnectionUrl):
             self.url = self.url.replace('mongodb:', 'db2:', 1)
 
 
+class HBaseFakeConnectionUrl(object):
+    def __init__(self):
+        self.url = os.environ.get('CEILOMETER_TEST_HBASE_URL')
+        if not self.url:
+            self.url = 'hbase://__test__'
+
+    def __str__(self):
+        s = '%s?table_prefix=%s' % (
+            self.url,
+            uuid.uuid4().hex)
+        return s
+
+
 @six.add_metaclass(test_base.SkipNotImplementedMeta)
 class MixinTestsWithBackendScenarios(object):
 
     scenarios = [
         ('sqlalchemy', dict(database_connection='sqlite://')),
         ('mongodb', dict(database_connection=MongoDBFakeConnectionUrl())),
-        ('hbase', dict(database_connection='hbase://__test__')),
+        ('hbase', dict(database_connection=HBaseFakeConnectionUrl())),
         ('db2', dict(database_connection=DB2FakeConnectionUrl())),
     ]
diff --git a/ceilometer/tests/storage/test_impl_hbase.py b/ceilometer/tests/storage/test_impl_hbase.py
index 0ac662313..d4e5cf188 100644
--- a/ceilometer/tests/storage/test_impl_hbase.py
+++ b/ceilometer/tests/storage/test_impl_hbase.py
@@ -31,13 +31,13 @@ from ceilometer.tests import db as tests_db
 
 
 class HBaseEngineTestBase(tests_db.TestBase):
-    database_connection = 'hbase://__test__'
+    database_connection = tests_db.HBaseFakeConnectionUrl()
 
 
 class ConnectionTest(HBaseEngineTestBase):
 
     def test_hbase_connection(self):
-        self.CONF.database.connection = self.database_connection
+        self.CONF.database.connection = str(self.database_connection)
         conn = hbase.Connection(self.CONF)
         self.assertIsInstance(conn.conn, hbase.MConnection)