Hoist declaration of TestName up to GerritBaseTests

So it doesn't need to be declared in all the tests that use it.

Change-Id: Ib461165fa8b7b7b34ab619e6a34efb7656bb0968
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
index fb21746..4bfa075 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticQueryChangesTest.java
@@ -24,12 +24,8 @@
 import org.eclipse.jgit.lib.Config;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
-import org.junit.Rule;
-import org.junit.rules.TestName;
 
 public class ElasticQueryChangesTest extends AbstractQueryChangesTest {
-  @Rule public final TestName testName = new TestName();
-
   private static ElasticNodeInfo nodeInfo;
   private static ElasticContainer<?> container;
 
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
index f963100..c44d50c 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV5QueryChangesTest.java
@@ -24,12 +24,8 @@
 import org.eclipse.jgit.lib.Config;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
-import org.junit.Rule;
-import org.junit.rules.TestName;
 
 public class ElasticV5QueryChangesTest extends AbstractQueryChangesTest {
-  @Rule public final TestName testName = new TestName();
-
   private static ElasticNodeInfo nodeInfo;
   private static ElasticContainer<?> container;