tree 580cdc02d88b4852558e1388ae5e72296ce14196
parent 0f6da1257d7182777e47c78f47e0bb2aa28d259b
author Alex Lapenkou <lapenkov@fb.com> 1635218348 -0700
committer Alexander Lapenkov <lapenkov.a@yandex.ru> 1639593557 -0800

Rename 'arena_decay' to 'arena_util'

While initially this file contained helper functions for one particular
test, now its usage spread across different test files. Purpose has
shifted towards a collection of handy arena ctl wrappers.