def to_s # :nocov:
    s = []
    s << "CommandResponse:#{self.object_id}"
    s << "  status:   #{self.status}"
    s << "  stdout:   " + Debug.pretty_str(stdout)
    s << "  stderr:   " + Debug.pretty_str(stderr)
    s.join("\n")
  end
def to_s # :nocov:
    s = []
    s << "CommandResponse:#{self.object_id}"
    s << "  status:   #{self.status}"
    s << "  stdout:   " + Debug.pretty_str(stdout)
    s << "  stderr:   " + Debug.pretty_str(stderr)
    s.join("\n")
  end
:nocov:
 Convert object to String, useful for debugging

 @return [String]