(PUP-1584) Expand some modulepath settings for windows

A couple of module_tool specs modified for PUP-1584 were not being
expanded such that they would work properly on Windows or POSIX.
Merge branch 'issue/master/pup-1584-expand-path-for-specs-on-windows'

* issue/master/pup-1584-expand-path-for-specs-on-windows:
  (PUP-1584) Expand some modulepath settings for windows