text: from indy_node.server.upgrade_log import UpgradeLog
  
  
  def test_pool_upgrade_force_scheduled_only_once(upgradeScheduledExpForceTrue,
                                                  nodeSet):
      for node in nodeSet:
          assert len(list(node.upgrader._upgradeLog)) == 1
          assert node.upgrader._upgradeLog.lastEvent[1] == \
                 UpgradeLog.UPGRADE_SCHEDULED
  