tests: lsa: Adjust to take into account that reclaimers are run synchronously
tests: lsa: Adjust to take into account that reclaimers are run synchronously

duarten/scylla,avikivity/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,duarten/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla