docstr: CSS Template API: Test delete bulk bad request
docstr_tok: ["CSS","Template","API",":","Test","delete","bulk","bad","request"]
code: def test_delete_bulk_css_template_bad_request(self):
      """
      CSS Template API: Test delete bulk bad request
      """
      css_template_ids = [1, "a"]
      self.login(username="admin")
      uri = f"api/v1/css_template/?q={prison.dumps(css_template_ids)}"
      rv = self.delete_assert_metric(uri, "bulk_delete")
      assert rv.status_code == 400
  
imports: import json
  import pytest
  import prison
  from datetime import datetime
  from freezegun import freeze_time
  from sqlalchemy.sql import func
  import tests.integration_tests.test_app
  from superset import db
  from superset.models.core import CssTemplate
  from superset.utils.database import get_example_database
  from tests.integration_tests.base_tests import SupersetTestCase
label_desc: Use image node_id 17 for calling the TestCssTemplateApi obj's underlying member method code with example usage: obj.test_delete_bulk_css_template_bad_request() without return types