text: import pytest
  
  from helpers.cluster import ClickHouseCluster
  from helpers.client import QueryRuntimeException
  
  cluster = ClickHouseCluster(__file__)
  node1 = cluster.add_instance('node1', main_configs=['configs/notleader.xml'], with_zookeeper=True)
  node2 = cluster.add_instance('node2', main_configs=['configs/notleaderignorecase.xml'], with_zookeeper=True)
  node3 = cluster.add_instance('node3', with_zookeeper=True)
  
  @pytest.fixture(scope="module")
  def start_cluster():
      try:
          cluster.start()
  
          for i, node in enumerate((node1, node2)):
              node.query(
                  '''
                  CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
                  ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_table', '{}')
                  PARTITION BY date ORDER BY id
                  '''.format(i)
              )
  
          with pytest.raises(QueryRuntimeException):
              node3.query(
                  '''
                  CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
                  ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_table', '{}')
                  PARTITION BY date ORDER BY id SETTINGS replicated_can_become_leader=0sad
                  '''.format(3)
              )
  
          yield cluster
  
      finally:
          cluster.shutdown()
  
  
  def test_can_become_leader(start_cluster):
      assert node1.query("select can_become_leader from system.replicas where table = 'test_table'") == '0\n'
      assert node2.query("select can_become_leader from system.replicas where table = 'test_table'") == '0\n'
  