code: def test_main(self, mock_run, mock_start_evadb_server):
      main()
      mock_start_evadb_server.assert_called_once()
      mock_run.assert_called_once()
  
imports: import unittest
  from mock import patch
  from evadb.configuration.constants import EvaDB_DATABASE_DIR
  from evadb.evadb_server import main, start_evadb_server
label_desc: Use image node_id 2 for calling the EvaDBServerTest obj's underlying member method code with example usage: obj.test_main(mock_run, mock_start_evadb_server) without return types