HBASE-5711 Tests are failing with incorrect data directory permissions.

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1310050 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java

@@ -432,6 +432,9 @@ public class HBaseTestingUtility {
     // It's also deprecated
     System.setProperty("test.cache.data", this.clusterTestDir.toString());
 
+    // Set the permissions for dfs data directories
+    this.conf.set("dfs.datanode.data.dir.perm", "700");
+    
     // Ok, now we can start
     this.dfsCluster = new MiniDFSCluster(0, this.conf, servers, true, true,
       true, null, null, hosts, null);