Summary:
A future patch which renamed cdatapack.so to cstore.so pointed out that our
test-remotefilelog*.py tests are running against the system remotefilelog. Let's
move them to a .t test that sets the appropriate PYTHONPATH.
Test Plan: Ran the tests
Reviewers: #mercurial, simonfar
Reviewed By: simonfar
Subscribers: stash, mjpieters
Differential Revision: https://phabricator.intern.facebook.com/D4581281
Signature: t1:4581281:1487788843:365c6adf41ba51bdbe7394c1ab423fcc5a63bdbc
