HBASE-27006 Move nightly integration testing to new larger test node class. (#4438)
HBASE-27006 Move nightly integration testing to new larger test node class. (#4438)

(cherry picked from commit 76d20fc48afc48b2e496c8aea830c46f76974a20)

HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase,HubSpot/hbase