tests: mvcc: Add test for partition_entry::apply_to_incomplete()
tests: mvcc: Add test for partition_entry::apply_to_incomplete()

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