Fix broken jenkins test, broke since submission of distributed split issue

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1096552 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java

@@ -85,7 +85,7 @@ public class TestCatalogJanitor {
 
     @Override
     public String getServerName() {
-      return null;
+      return "mockserver.example.org,1234,-1L";
     }
 
     @Override
@@ -248,4 +248,4 @@ public class TestCatalogJanitor {
     assertTrue(fs.delete(p, true));
     assertTrue(janitor.cleanParent(parent, r));
   }
-}
+}