anchor.diff:  
   set tmp_path=boxtest
   
  +set result=0
  +
   if exist %tmp_path% rmdir /s /q %tmp_path%
   
   rem tested only with box-provider=vcloud
  
positive.code: 
  vagrant box remove %box_name% --provider=%box_provider%
  vagrant box add %box_name% %box_path%
  if ERRORLEVEL 1 goto :done
  mkdir %tmp_path%
  
  
negative.code: exit /b
  
  :done
  exit %result%
  