drivers/virtualbox/vbm.go
func NewVBoxManager() *VBoxCmdManager {
	return &VBoxCmdManager{
		runCmd: func(cmd *exec.Cmd) error { return cmd.Run() },
	}
}
func NewVBoxManager() *VBoxCmdManager {
	return &VBoxCmdManager{
		runCmd: func(cmd *exec.Cmd) error { return cmd.Run() },
	}
}
// NewVBoxManager creates a VBoxManager instance.