Summary:
Rename and fix concurrent list test.,
This tests a fix for the concurrent list.I was not able to reproduce the flakyness, but this could be it.
If it happens again we'll know that this is not the solution to the problem, and look further.
Change memory ordering
Reviewers: mferencevic
Reviewed By: mferencevic
Subscribers: buda, pullbot
Differential Revision: https://phabricator.memgraph.io/D1188