- retry benching key before selecting new one (for join_leave_SUITE's DB-check).
- retry benching key before selecting new one (for join_leave_SUITE's DB-check).

tectronics/scalaris,digshock/scalaris,seyyed/scalaris,tectronics/scalaris,digshock/scalaris,seyyed/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,digshock/scalaris,digshock/scalaris,tectronics/scalaris,digshock/scalaris,tectronics/scalaris,tectronics/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,seyyed/scalaris,tectronics/scalaris,tectronics/scalaris