text: import pytest
  from helpers.cluster import ClickHouseCluster
  
  cluster = ClickHouseCluster(__file__)
  node_default = cluster.add_instance('node_default')
  # main_configs is mandatory ,since system_tables_lazy_load will be read earlier then parsing of config_lazy.xml
  node_lazy = cluster.add_instance('node_lazy', config_dir='configs', main_configs=['configs/config_lazy.xml'])
  
  system_logs = [
      # disabled by default
      # ('system.part_log'),
      # ('system.text_log'),
  
      # enabled by default
      ('system.query_log'),
      ('system.query_thread_log'),
      ('system.trace_log'),
      ('system.metric_log'),
  ]
  
  @pytest.fixture(scope='module')
  def start_cluster():
      try:
          cluster.start()
          yield cluster
      finally:
          cluster.shutdown()
  
  @pytest.mark.parametrize('table', system_logs)
  def test_system_table(start_cluster, table):
      node_default.query('SELECT * FROM {}'.format(table))
      assert "Table {} doesn't exist".format(table) in node_lazy.query_and_get_error('SELECT * FROM {}'.format(table))
  