Fix "not_mocked" error in compaction tests
Fix "not_mocked" error in compaction tests

With meck unload set during per suit
teardown all the mocked modules crashing
with "not_mocked" error on attempt
to stop couch in the final cleanup.

This fix moves load and unload meck
modules into global setup and cleanup

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb