Delegator 5 - special case

[mh-concordium]

• [X] Have delegator in active pool
  • [X] Delegator is receiving rewards
• [X] Remove delegator - ensure that  delegator is in cooldown at the time when PU takes in effect
• [X] WAIT FOR PROTOCOL UPDATE
• [X] After protocol update verify:
  • [X] Stake goes to pre-pre cooldown
  • [X] Rewards are being received for the next payday but not after that.
  • [X] At the snapshot of the payday, stake is in pre-cooldown.
  • [X] At the payday stake goes to cooldown.
• [X] Stake is released at the payday after the cooldown