Add trace logging to CircuitBreakerServiceIT.testParentChecking.

core/src/test/java/org/elasticsearch/indices/memory/breaker/CircuitBreakerServiceIT.java

@@ -48,6 +48,7 @@ import org.elasticsearch.rest.RestStatus;
 import org.elasticsearch.search.sort.SortOrder;
 import org.elasticsearch.test.ESIntegTestCase;
 import org.elasticsearch.test.ESIntegTestCase.ClusterScope;
+import org.elasticsearch.test.junit.annotations.TestLogging;
 import org.junit.After;
 import org.junit.Before;
 
@@ -217,6 +218,7 @@ public class CircuitBreakerServiceIT extends ESIntegTestCase {
      * Test that a breaker correctly redistributes to a different breaker, in
      * this case, the fielddata breaker borrows space from the request breaker
      */
+    @TestLogging("_root:DEBUG,org.elasticsearch.action.search:TRACE")
     public void testParentChecking() throws Exception {
         if (noopBreakerUsed()) {
             logger.info("--> noop breakers used, skipping test");