make test7 dir

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/RpacksTesting/test7@83671 bc3139a8-67e5-0310-9ffc-ced21a209358
first commit from svn


git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/RpacksTesting/test7@83672 bc3139a8-67e5-0310-9ffc-ced21a209358
resolved conflict in git