code: def test_invalid_table_failure(self):
      table = db.session.query(SqlaTable).first()
  
      rls = RowLevelSecurityFilter(
          name="rls test invalid role",
          clause="1=1",
          filter_type="Regular",
          tables=[table],
      )
      db.session.add(rls)
      db.session.commit()
  
      self.login("Admin")
      payload = {
          "name": "rls 1",
          "clause": "1=1",
          "filter_type": "Base",
          "tables": [999999],
          "roles": [1],
      }
      rv = self.client.put(
          f"/api/v1/rowlevelsecurity/{rls.id}", json=payload
      )
      status_code, data = rv.status_code, json.loads(
          rv.data.decode("utf-8")
      )
      self.assertEqual(status_code, 422)
      self.assertEqual(
          data["message"], "[l'Datasource does not exist']"
      )
  
      db.session.delete(rls)
      db.session.commit()
  
imports: import re
  from typing import Any, Optional
  from unittest import mock
  import pytest
  from flask import g
  import json
  import prison
  from superset import db, security_manager, app
  from superset.connectors.sqla.models import RowLevelSecurityFilter, SqlaTable
  from superset.security.guest_token import GuestTokenResourceType, GuestUser
  from flask_babel import lazy_gettext
  from flask_appbuilder.models.sqla import filters
  from ..conftest import with_config
  from ..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_with_slice, load_energy_table_data
  from tests.integration_tests.fixtures.unicode_dashboard import UNICODE_TBL_NAME, load_unicode_dashboard_with_slice, load_unicode_data
label_desc: Use image node_id 3 for calling the TestRowLevelSecurityUpdateAPI obj's underlying member method code with example usage: obj.test_invalid_table_failure() without return types