docstr: CSS Template API: Test get CSS Template not found
docstr_tok: ["CSS","Template","API",":","Test","get","CSS","Template","not","found"]
code: def test_get_css_template_not_found(self):
      """
      CSS Template API: Test get CSS Template not found
      """
      max_id = db.session.query(func.max(CssTemplate.id)).scalar()
      self.login(username="admin")
      uri = f"api/v1/css_template/{max_id + 1}"
      rv = self.get_assert_metric(uri, "get")
      assert rv.status_code == 404
  
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 9 for calling the TestCssTemplateApi obj's underlying member method code with example usage: obj.test_get_css_template_not_found() without return types