HDFS-11101. TestDFSShell#testMoveWithTargetPortEmpty fails intermittently. Contributed By Brahma Reddy Battula.

(cherry picked from commit f92206774899b84e8abaecdf97399b65e0995ed8)

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java

@@ -760,7 +760,7 @@ public class TestDFSShell {
           .format(true)
           .numDataNodes(2)
           .nameNodePort(ServerSocketUtil.waitForPort(
-              HdfsClientConfigKeys.DFS_NAMENODE_RPC_PORT_DEFAULT, 10))
+              HdfsClientConfigKeys.DFS_NAMENODE_RPC_PORT_DEFAULT, 60))
           .waitSafeMode(true)
           .build();
       FileSystem srcFs = cluster.getFileSystem();