class_docstr: Testings for Sql Lab
code: def test_sql_json_cta_dynamic_db(self, ctas_method):
      examples_db = get_example_database()
      if examples_db.backend == "sqlite":
          # sqlite doesn't support database creation
          return
  
      with mock.patch(
          "superset.sqllab.sqllab_execution_context.get_cta_schema_name",
          lambda d, u, s, sql: f"{u.username}_database",
      ):
          old_allow_ctas = examples_db.allow_ctas
          examples_db.allow_ctas = True  # enable cta
  
          self.login("admin")
          tmp_table_name = f"test_target_{ctas_method.lower()}"
          self.run_sql(
              "SELECT * FROM birth_names",
              "1",
              database_name="examples",
              tmp_table_name=tmp_table_name,
              select_as_cta=True,
              ctas_method=ctas_method,
          )
  
          # assertions
          db.session.commit()
          examples_db = get_example_database()
          with examples_db.get_sqla_engine_with_context() as engine:
              data = engine.execute(
                  f"SELECT * FROM admin_database.{tmp_table_name}"
              ).fetchall()
              names_count = engine.execute(
                  f"SELECT COUNT(*) FROM birth_names"
              ).first()
              self.assertEqual(
                  names_count[0], len(data)
              )  # SQL_MAX_ROW not applied due to the SQLLAB_CTAS_NO_LIMIT set to True
  
              # cleanup
              engine.execute(
                  f"DROP {ctas_method} admin_database.{tmp_table_name}"
              )
              examples_db.allow_ctas = old_allow_ctas
              db.session.commit()
  
imports: import json
  from datetime import datetime
  import pytest
  from celery.exceptions import SoftTimeLimitExceeded
  from parameterized import parameterized
  from unittest import mock
  import prison
  from freezegun import freeze_time
  from superset import db, security_manager
  from superset.connectors.sqla.models import SqlaTable
  from superset.db_engine_specs import BaseEngineSpec
  from superset.db_engine_specs.hive import HiveEngineSpec
  from superset.db_engine_specs.presto import PrestoEngineSpec
  from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
  from superset.exceptions import SupersetErrorException
  from superset.models.sql_lab import Query, SavedQuery
  from superset.result_set import SupersetResultSet
  from superset.sqllab.limiting_factor import LimitingFactor
  from superset.sql_lab import cancel_query, execute_sql_statements, apply_limit_if_exists
  from superset.sql_parse import CtasMethod
  from superset.utils.core import backend, datetime_to_epoch
  from superset.utils.database import get_example_database, get_main_database
  from .base_tests import SupersetTestCase
  from .conftest import CTAS_SCHEMA_NAME
  from tests.integration_tests.fixtures.birth_names_dashboard import load_birth_names_dashboard_with_slices, load_birth_names_data
  from tests.integration_tests.fixtures.users import create_gamma_sqllab_no_data
label_desc: Use image node_id 6 for calling the TestSqlLab obj's underlying member method code with example usage: obj.test_sql_json_cta_dynamic_db(ctas_method) without return types