c0104_vv

    loading [Config]:  ./tests/functests/upconfig.yml
    Main config:
                 Version -> 1.0.0
                  RefDir -> ./tests/functests
                 WorkDir -> cwd
              AbsWorkDir -> /up_project/up
                TaskFile -> c0104
                 Verbose -> vv
              ModuleName -> self
               ShellType -> /bin/sh
           MaxCallLayers -> 8
                 Timeout -> 3600000
     MaxModuelCallLayers -> 256
               EntryTask -> task
      ModRepoUsernameRef -> 
      ModRepoPasswordRef -> 
    work dir: /up_project/up
    -exec task: task
    loading [Task]:  ./tests/functests/c0104
    module: [self], instance id: [dev], exec profile: []
    Task4: [task ==> task: this is the task and expect the final message (hello I love this world) ]
    -Step1:
    cmd( 1):
    echo " I love this "
    
    -
     I love this 
    
    -
     .. ok
    . ok
    -Step2: [: use a dynamic var to refer to a task name ]
    =Task2: [task ==> post_task: this is post-task ]
    --Step1: [: do step1 in shell func ]
    cmd( 1):
    echo "world"
    
    -
    world
    
    -
     .. ok
    . ok
    =Task3: [task ==> 2ndtask:  ]
    --Step1: [: to test multiple refs ]
    cmd( 1):
    echo "this is 2nd task"
    
    -
    this is 2nd task
    
    -
     .. ok
    . ok