Don't get transformation unless necessary.


git-svn-id: https://svn.salilab.org/imp/trunk@17398 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
update cmakelists.txt for renamed test

git-svn-id: https://svn.salilab.org/imp/trunk@17399 e91f8c7b-0e32-4433-a9ac-4502d39a4eab