def METHOD_NAME(self):
    self.num_nodes = 3
    # set era and snapshot length
    self.conf_parameters["era_epoch_count"] = str(ERA_EPOCH_COUNT)
    self.conf_parameters["dev_snapshot_epoch_count"] = str(ERA_EPOCH_COUNT // 2)
    # set other params so that nodes won't crash
    self.conf_parameters["adaptive_weight_beta"] = "1"
    self.conf_parameters["anticone_penalty_ratio"] = "10"
    self.conf_parameters["generate_tx_period_us"] = "100000"
    self.conf_parameters["timer_chain_beta"] = "20"
    self.conf_parameters["timer_chain_block_difficulty_ratio"] = "3"
    self.conf_parameters["block_cache_gc_period_ms"] = "10"
    # pos parameters
    self.conf_parameters["pos_pivot_decision_defer_epoch_count"] = "0"