[Tests] Added the MPL testing sub-directory within test.
[Tests] Added the MPL testing sub-directory within test.

jwakely/simfqt,airsim/tvlsim,airsim/tvlsim,airsim/tvlsim,airsim/avlcal,jwakely/airrac,jwakely/airinv,airsim/tvlsim,airsim/airinv,jwakely/airinv,jwakely/airrac,jwakely/rmol,airsim/rmol,airsim/airinv,airsim/avlcal,jwakely/rmol,airsim/rmol,airsim/avlcal,jwakely/airinv,airsim/sevmgr,jwakely/simfqt,airsim/simcrs,airsim/simfqt,airsim/travelccm,jwakely/airinv,airsim/airinv,airsim/sevmgr,airsim/simlfs,jwakely/airinv,jwakely/simcrs,airsim/airinv,airsim/tvlsim,airsim/airtsp,airsim/airinv,airsim/stdair,jwakely/airrac,airsim/airrac,airsim/simlfs,airsim/travelccm,airsim/avlcal,airsim/airinv,airsim/airinv,jwakely/trademgen,airsim/rmol,airsim/tvlsim,airsim/trademgen,jwakely/airinv,jwakely/rmol,airsim/trademgen,jwakely/travelccm,jwakely/airinv,jwakely/rmol,airsim/simfqt,airsim/tvlsim,airsim/tvlsim,airsim/simfqt,airsim/trademgen,airsim/rmol,jwakely/airinv,airsim/sevmgr,airsim/simcrs,airsim/stdair,airsim/airinv,jwakely/trademgen,jwakely/simcrs,jwakely/travelccm,airsim/airrac,jwakely/simcrs,airsim/airinv,airsim/simcrs,jwakely/airinv,airsim/stdair,jwakely/simfqt,airsim/simlfs,airsim/airtsp,airsim/airrac,jwakely/trademgen,airsim/tvlsim