code: func (plugin *flexProvisioner) NewDriverCallWithTimeout(execPath, command string, timeout time.Duration) *DriverCall {
  	return &DriverCall{
  		Execpath: execPath,
  		Command:  command,
  		Timeout:  timeout,
  		plugin:   plugin,
  		args:     []string{command},
  	}
  }
docs: //NewDriverCallWithTimeout return the DriverCall with timeout