test: add `test-repo` requirement to `test-check-format` (issue6395)
Kindly reported by Tristan Seligmann <mithrandi@mithrandi.net>
from__future__importabsolute_importfrommercurial.i18nimport_frommercurialimportchangegroup,error,extensionsdefabort(orig,*args,**kwargs):raiseerror.Abort(_('this is an exercise'))defuisetup(ui):extensions.wrapfunction(changegroup,'getbundler',abort)