Fix PolicySupervisorActorTest.

Signed-off-by: Yufei Cai <yufei.cai@bosch.io>

policies/service/src/test/java/org/eclipse/ditto/policies/service/persistence/actors/PolicySupervisorActorTest.java

@@ -19,13 +19,15 @@
 import org.eclipse.ditto.internal.utils.cluster.StopShardedActor;
 import org.eclipse.ditto.internal.utils.namespaces.BlockedNamespaces;
 import org.eclipse.ditto.internal.utils.pubsub.DistributedPub;
+import org.eclipse.ditto.internal.utils.tracing.DittoTracingInitResource;
 import org.eclipse.ditto.policies.model.PolicyId;
 import org.eclipse.ditto.policies.model.signals.announcements.PolicyAnnouncement;
 import org.eclipse.ditto.policies.model.signals.commands.exceptions.PolicyNotAccessibleException;
 import org.eclipse.ditto.policies.model.signals.commands.modify.CreatePolicy;
 import org.eclipse.ditto.policies.model.signals.commands.modify.CreatePolicyResponse;
 import org.eclipse.ditto.policies.model.signals.commands.query.RetrievePolicy;
 import org.junit.Before;
+import org.junit.ClassRule;
 import org.junit.Test;
 import org.mockito.Mock;
 
@@ -37,6 +39,10 @@
  */
 public final class PolicySupervisorActorTest extends PersistenceActorTestBase {
 
+    @ClassRule
+    public static final DittoTracingInitResource DITTO_TRACING_INIT_RESOURCE =
+            DittoTracingInitResource.disableDittoTracing();
+
     @SuppressWarnings("unchecked")
     @Mock
     public DistributedPub<PolicyAnnouncement<?>> pub = mock(DistributedPub.class);