tests/test_nanshe_learner.py: Fix DRMAA test to take the right config file.
tests/test_nanshe_learner.py: Fix DRMAA test to take the right config file.

DudLab/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe,nanshe-org/nanshe,jakirkham/nanshe