* [BAEL-4495] Performance of removeAll() in a HashSet * [BAEL-4495] Add unit test for hashset removeAll() * [BAEL-4495] Update test methods to camelCase
* [BAEL-4495] Performance of removeAll() in a HashSet * [BAEL-4495] Add unit test for hashset removeAll() * [BAEL-4495] Update test methods to camelCase