@Test( expected = NetworkManagerException.class )
public void testSetupContainerSshTunnel() throws Exception
{

    doReturn( SSH_TUNNEL_OUTPUT ).when( commandResult ).getStdOut();
    SshTunnel sshTunnel = networkManager.setupContainerSshTunnel( LOCAL_IP, Common.CONTAINER_SSH_TIMEOUT_SEC );
    assertNotNull( sshTunnel );
    doReturn( "" ).when( commandResult ).getStdOut();
    networkManager.setupContainerSshTunnel( LOCAL_IP, Common.CONTAINER_SSH_TIMEOUT_SEC );
}