LocalDiskRepositoryManagerTest: Extend GerritBaseTests

This class doesn't use mocks, so there's no reason to extend
EasyMockSupport.

Change-Id: Iabaff75fdaefd862316b778c938390a1da0ea576
diff --git a/javatests/com/google/gerrit/server/git/LocalDiskRepositoryManagerTest.java b/javatests/com/google/gerrit/server/git/LocalDiskRepositoryManagerTest.java
index 4e0cb0c..b89f491 100644
--- a/javatests/com/google/gerrit/server/git/LocalDiskRepositoryManagerTest.java
+++ b/javatests/com/google/gerrit/server/git/LocalDiskRepositoryManagerTest.java
@@ -20,13 +20,11 @@
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.config.SitePaths;
 import com.google.gerrit.server.ioutil.HostPlatform;
+import com.google.gerrit.testing.GerritBaseTests;
 import com.google.gerrit.testing.TempFileUtil;
-import com.google.gwtorm.client.KeyUtil;
-import com.google.gwtorm.server.StandardKeyEncoder;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import org.easymock.EasyMockSupport;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.Constants;
@@ -37,12 +35,7 @@
 import org.junit.Before;
 import org.junit.Test;
 
-public class LocalDiskRepositoryManagerTest extends EasyMockSupport {
-
-  static {
-    KeyUtil.setEncoderImpl(new StandardKeyEncoder());
-  }
-
+public class LocalDiskRepositoryManagerTest extends GerritBaseTests {
   private Config cfg;
   private SitePaths site;
   private LocalDiskRepositoryManager repoManager;