diff --git a/ceilometer/alarm/evaluator/__init__.py b/ceilometer/alarm/evaluator/__init__.py
index 59cf616e5..8f0abd414 100644
--- a/ceilometer/alarm/evaluator/__init__.py
+++ b/ceilometer/alarm/evaluator/__init__.py
@@ -35,6 +35,8 @@ UNKNOWN = 'insufficient data'
 OK = 'ok'
 ALARM = 'alarm'
 
+cfg.CONF.import_group('service_credentials', 'ceilometer.service')
+
 
 @six.add_metaclass(abc.ABCMeta)
 class Evaluator(object):
diff --git a/ceilometer/alarm/service.py b/ceilometer/alarm/service.py
index 5016eebe6..9bc989676 100644
--- a/ceilometer/alarm/service.py
+++ b/ceilometer/alarm/service.py
@@ -132,9 +132,6 @@ class SingletonAlarmService(AlarmService, os_service.Service):
                                             'value': True}])
 
 
-cfg.CONF.import_opt('host', 'ceilometer.service')
-
-
 class PartitionedAlarmService(AlarmService, os_service.Service):
 
     def __init__(self):
diff --git a/ceilometer/messaging.py b/ceilometer/messaging.py
index 14d842ef0..6d40871bd 100644
--- a/ceilometer/messaging.py
+++ b/ceilometer/messaging.py
@@ -96,6 +96,7 @@ def cleanup():
 
 def get_rpc_server(transport, topic, endpoint):
     """Return a configured oslo.messaging rpc server."""
+    cfg.CONF.import_opt('host', 'ceilometer.service')
     target = oslo.messaging.Target(server=cfg.CONF.host, topic=topic)
     serializer = RequestContextSerializer(JsonPayloadSerializer())
     return oslo.messaging.get_rpc_server(transport, target,
diff --git a/ceilometer/tests/alarm/partition/test_coordination.py b/ceilometer/tests/alarm/partition/test_coordination.py
index d1f8dcfb6..70dbb8e39 100644
--- a/ceilometer/tests/alarm/partition/test_coordination.py
+++ b/ceilometer/tests/alarm/partition/test_coordination.py
@@ -55,6 +55,9 @@ class TestCoordinate(tests_base.BaseTestCase):
         self.setup_messaging(self.CONF)
 
         self.test_interval = 120
+        self.CONF.import_opt('evaluation_interval',
+                             'ceilometer.alarm.service',
+                             group='alarm')
         self.CONF.set_override('evaluation_interval',
                                self.test_interval,
                                group='alarm')
diff --git a/ceilometer/tests/api/__init__.py b/ceilometer/tests/api/__init__.py
index 4fcc3a08a..566a5711a 100644
--- a/ceilometer/tests/api/__init__.py
+++ b/ceilometer/tests/api/__init__.py
@@ -26,6 +26,7 @@ from ceilometer.tests import db as db_test_base
 
 OPT_GROUP_NAME = 'keystone_authtoken'
 cfg.CONF.import_group(OPT_GROUP_NAME, "keystoneclient.middleware.auth_token")
+cfg.CONF.import_opt("policy_file", "ceilometer.openstack.common.policy")
 
 
 class FunctionalTest(db_test_base.TestBase):
diff --git a/ceilometer/tests/api/v2/test_complex_query.py b/ceilometer/tests/api/v2/test_complex_query.py
index d7d2af6f1..9bb2bc6e4 100644
--- a/ceilometer/tests/api/v2/test_complex_query.py
+++ b/ceilometer/tests/api/v2/test_complex_query.py
@@ -17,6 +17,7 @@
 #    under the License.
 """Test the methods related to complex query."""
 import datetime
+
 import fixtures
 import jsonschema
 import mock
@@ -25,7 +26,7 @@ import wsme
 from ceilometer.alarm.storage import models as alarm_models
 from ceilometer.api.controllers import v2 as api
 from ceilometer.openstack.common import test
-from ceilometer import storage
+from ceilometer.storage import models
 
 
 class FakeComplexQuery(api.ValidatedComplexQuery):
@@ -49,7 +50,7 @@ class TestComplexQuery(test.BaseTestCase):
         super(TestComplexQuery, self).setUp()
         self.useFixture(fixtures.MonkeyPatch(
             'pecan.response', mock.MagicMock()))
-        self.query = FakeComplexQuery(storage.models.Sample,
+        self.query = FakeComplexQuery(models.Sample,
                                       sample_name_mapping,
                                       True)
         self.query_alarm = FakeComplexQuery(alarm_models.Alarm)
@@ -235,7 +236,7 @@ class TestComplexQuery(test.BaseTestCase):
 class TestFilterSyntaxValidation(test.BaseTestCase):
     def setUp(self):
         super(TestFilterSyntaxValidation, self).setUp()
-        self.query = FakeComplexQuery(storage.models.Sample,
+        self.query = FakeComplexQuery(models.Sample,
                                       sample_name_mapping,
                                       True)
 
diff --git a/ceilometer/tests/base.py b/ceilometer/tests/base.py
index 3914788f3..c0e6cb772 100644
--- a/ceilometer/tests/base.py
+++ b/ceilometer/tests/base.py
@@ -23,6 +23,7 @@ import six
 
 import eventlet
 import oslo.messaging
+import oslo.messaging.conffixture
 from testtools import testcase
 
 from ceilometer import messaging
diff --git a/ceilometer/tests/test_collector.py b/ceilometer/tests/test_collector.py
index 78e05f130..3dd5571d0 100644
--- a/ceilometer/tests/test_collector.py
+++ b/ceilometer/tests/test_collector.py
@@ -43,6 +43,9 @@ class TestCollector(tests_base.BaseTestCase):
     def setUp(self):
         super(TestCollector, self).setUp()
         self.CONF = self.useFixture(config.Config()).conf
+        self.CONF.import_opt("connection",
+                             "ceilometer.openstack.common.db.options",
+                             group="database")
         self.CONF.set_override("connection", "log://", group='database')
         self.CONF.set_override('metering_secret', 'not-so-secret',
                                group='publisher')
diff --git a/ceilometer/tests/test_middleware.py b/ceilometer/tests/test_middleware.py
index 10d6e4bfa..280f9a412 100644
--- a/ceilometer/tests/test_middleware.py
+++ b/ceilometer/tests/test_middleware.py
@@ -19,7 +19,7 @@ import mock
 
 from ceilometer import middleware
 from ceilometer.openstack.common.fixture import config
-from ceilometer.openstack.common import test
+from ceilometer.tests import base
 
 
 HTTP_REQUEST = {
@@ -68,11 +68,12 @@ HTTP_RESPONSE = {
 }
 
 
-class TestNotifications(test.BaseTestCase):
+class TestNotifications(base.BaseTestCase):
 
     def setUp(self):
         super(TestNotifications, self).setUp()
         self.CONF = self.useFixture(config.Config()).conf
+        self.setup_messaging(self.CONF)
 
     def test_process_request_notification(self):
         sample = list(middleware.HTTPRequest(mock.Mock()).process_notification(