test: compaction_manager_test: add debug logging to register/deregister compaction
test: compaction_manager_test: add debug logging to register/deregister compaction

Signed-off-by: Benny Halevy <23c997c90eb8537635e9392d48e7af1bf1b2ca22@scylladb.com>

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla