UNIT TESTS: Properly cleanup transports after subscription tests.
UNIT TESTS: Properly cleanup transports after subscription tests.

Ensure mamaTransport_destroy is called in the teardown function for
the subscription tests.

kuangtu/OpenMAMA,philippreston/OpenMAMA,dmaguire/OpenMAMA,MattMulhern/OpenMAMA,MattMulhern/OpenMAMA,jacobraj/MAMA,dpauls/OpenMAMA,dpauls/OpenMAMA,vulcanft/openmama,kuangtu/OpenMAMA,philippreston/OpenMAMA,cloudsmith-io/openmama,philippreston/OpenMAMA,dmagOM/OpenMAMA-dynamic,jacobraj/MAMA,cloudsmith-io/openmama,MattMulhern/OpenMamaCassandra,dpauls/OpenMAMA,kuangtu/OpenMAMA,dmagOM/OpenMAMA-dynamic,dmaguire/OpenMAMA,dpauls/OpenMAMA,dmaguire/OpenMAMA,MattMulhern/OpenMamaCassandra,dmagOM/OpenMAMA-dynamic,fquinner/OpenMAMA,dmagOM/OpenMAMA-dynamic,MattMulhern/OpenMAMA,vulcanft/openmama,cloudsmith-io/openmama,vulcanft/openmama,vulcanft/openmama,MattMulhern/OpenMAMA,vulcanft/openmama,philippreston/OpenMAMA,jacobraj/MAMA,jacobraj/MAMA,dpauls/OpenMAMA,dpauls/OpenMAMA,fquinner/OpenMAMA,philippreston/OpenMAMA,philippreston/OpenMAMA,cloudsmith-io/openmama,fquinner/OpenMAMA,MattMulhern/OpenMamaCassandra,MattMulhern/OpenMamaCassandra,dmagOM/OpenMAMA-dynamic,vulcanft/openmama,dmaguire/OpenMAMA,kuangtu/OpenMAMA,MattMulhern/OpenMAMA,jacobraj/MAMA,MattMulhern/OpenMAMA,fquinner/OpenMAMA,dmagOM/OpenMAMA-dynamic,kuangtu/OpenMAMA,fquinner/OpenMAMA,dmaguire/OpenMAMA,MattMulhern/OpenMamaCassandra,dmaguire/OpenMAMA,dmaguire/OpenMAMA,jacobraj/MAMA,MattMulhern/OpenMamaCassandra,dpauls/OpenMAMA,kuangtu/OpenMAMA,cloudsmith-io/openmama,cloudsmith-io/openmama,philippreston/OpenMAMA,kuangtu/OpenMAMA,MattMulhern/OpenMAMA,vulcanft/openmama,fquinner/OpenMAMA,fquinner/OpenMAMA,cloudsmith-io/openmama