Edits to usecase_test:test_readers_writers_with_handle_pool
Edits to usecase_test:test_readers_writers_with_handle_pool

To better reflect the usecase, employing regular compaction
instead of in-place compaction.

Change-Id: I9013732064436b10dbac12593d12612d00bff273
Reviewed-on: http://review.couchbase.org/66416
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Chiyoung Seo <fcffc23db27b19ee4ebba46695ee6b50e09216a2@couchbase.com>

wurikiji/forestdb,wurikiji/forestdb,hisundar/forestdb,couchbase/forestdb,hisundar/forestdb,couchbase/forestdb