Add ClassRule for DittoTracingInitResource to disable tracing in the …

…test;

Signed-off-by: Stefan Maute <stefan.maute@bosch.io>

internal/utils/cluster/src/test/java/org/eclipse/ditto/internal/utils/cluster/ShardRegionCreatorTest.java

@@ -19,10 +19,12 @@
 import java.util.concurrent.CountDownLatch;
 
 import org.eclipse.ditto.base.model.headers.DittoHeaders;
+import org.eclipse.ditto.internal.utils.tracing.DittoTracingInitResource;
 import org.eclipse.ditto.things.model.ThingId;
 import org.eclipse.ditto.things.model.signals.commands.modify.DeleteThing;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.ClassRule;
 import org.junit.Test;
 
 import com.typesafe.config.Config;
@@ -45,6 +47,10 @@
  */
 public final class ShardRegionCreatorTest {
 
+    @ClassRule
+    public static final DittoTracingInitResource DITTO_TRACING_INIT_RESOURCE =
+            DittoTracingInitResource.disableDittoTracing();
+
     private static final Config CONFIG = ConfigFactory.load("shard-region-test");
 
     private final ActorSystem system1 = ActorSystem.create("system", CONFIG);