code: def test_import_v0_dataset_ui_export(self):
      num_datasets = db.session.query(SqlaTable).count()
  
      contents = {
          "20201119_181105.yaml": yaml.safe_dump(dataset_ui_export),
      }
      command = v0.ImportDatasetsCommand(contents)
      command.run()
  
      new_num_datasets = db.session.query(SqlaTable).count()
      assert new_num_datasets == num_datasets + 1
  
      dataset = (
          db.session.query(SqlaTable)
          .filter_by(table_name="birth_names_2")
          .one()
      )
      assert (
          dataset.params
          == '{"remote_id": 3, "database_name": "examples", "import_time": 1604342885}'
      )
      assert len(dataset.metrics) == 2
      assert dataset.main_dttm_col == "ds"
      assert dataset.filter_select_enabled
      assert {col.column_name for col in dataset.columns} == {
          "num_california",
          "ds",
          "state",
          "gender",
          "name",
          "num_boys",
          "num_girls",
          "num",
      }
  
      db.session.delete(dataset)
      db.session.commit()
  
imports: from operator import itemgetter
  from typing import Any
  from unittest.mock import patch
  import pytest
  import yaml
  from sqlalchemy.exc import SQLAlchemyError
  from superset import db, security_manager
  from superset.commands.database.importers.v1 import ImportDatabasesCommand
  from superset.commands.dataset.create import CreateDatasetCommand
  from superset.commands.dataset.exceptions import DatasetInvalidError, DatasetNotFoundError, WarmUpCacheTableNotFoundError
  from superset.commands.dataset.export import ExportDatasetsCommand
  from superset.commands.dataset.importers import v0, v1
  from superset.commands.dataset.warm_up_cache import DatasetWarmUpCacheCommand
  from superset.commands.exceptions import CommandInvalidError
  from superset.commands.importers.exceptions import IncorrectVersionError
  from superset.connectors.sqla.models import SqlaTable
  from superset.models.core import Database
  from superset.models.slice import Slice
  from superset.utils.core import get_example_default_schema, override_user
  from superset.utils.database import get_example_database
  from tests.integration_tests.base_tests import SupersetTestCase
  from tests.integration_tests.fixtures.birth_names_dashboard import load_birth_names_dashboard_with_slices, load_birth_names_data
  from tests.integration_tests.fixtures.energy_dashboard import load_energy_table_data, load_energy_table_with_slice
  from tests.integration_tests.fixtures.importexport import database_config, database_metadata_config, dataset_cli_export, dataset_config, dataset_metadata_config, dataset_ui_export
  from tests.integration_tests.fixtures.world_bank_dashboard import load_world_bank_dashboard_with_slices, load_world_bank_data
label_desc: Use image node_id 2 for calling the TestImportDatasetsCommand obj's underlying member method code with example usage: obj.test_import_v0_dataset_ui_export() without return types