Corrected issue with execution of tests using Travis-CI. nosetests was executed within the working_folder. Now that the unit tests are in tests/, this needed to be updated.
Corrected issue with execution of tests using Travis-CI. nosetests was executed within the working_folder. Now that the unit tests are in tests/, this needed to be updated.

pdp10/sbpipe,pdp10/sbpipe,pdp10/sbpipe,pdp10/sbpipe