try 2 moving st2tests import earlier

st2actions/tests/unit/test_policies.py

@@ -21,6 +21,9 @@
 
 from oslo_config import cfg
 
+# This import must be early for import-time side-effects.
+from st2tests import ExecutionDbTestCase
+
 from st2common.constants import action as action_constants
 from st2common.models.api.action import ActionAPI
 from st2common.models.api.policy import PolicyTypeAPI, PolicyAPI
@@ -31,7 +34,6 @@
 from st2common.transport.liveaction import LiveActionPublisher
 from st2common.transport.publishers import CUDPublisher
 from st2common.bootstrap import runnersregistrar as runners_registrar
-from st2tests.base import ExecutionDbTestCase
 from st2tests.fixtures.generic.fixture import PACK_NAME as PACK
 from st2tests.fixturesloader import FixturesLoader
 from st2tests.mocks.runners import runner