code: def test_generic_constraint_name_not_found():
      # Create a mock SQLAlchemy database object
      database_mock = MagicMock()
  
      # Define the table name and constraint details
      table_name = "my_table"
      columns = {"column1", "column2"}
      referenced_table_name = "other_table"
      constraint_name = "my_constraint"
  
      # Create a mock table object with the same structure but no matching constraint
      table_mock = MagicMock()
      table_mock.name = table_name
      table_mock.columns = [MagicMock(name=col) for col in columns]
      table_mock.foreign_key_constraints = []
  
      # Configure the autoload behavior for the database mock
      database_mock.metadata = MagicMock()
      database_mock.metadata.tables = {table_name: table_mock}
  
      result = generic_find_constraint_name(
          table_name, columns, referenced_table_name, database_mock
      )
  
      assert result is None
  
imports: import os
  from dataclasses import dataclass
  from typing import Any, Optional
  from unittest.mock import MagicMock, patch
  import pandas
  import pytest
  from sqlalchemy import CheckConstraint, Column, Integer, MetaData, Table
  from superset.exceptions import SupersetException
  from superset.utils.core import cast_to_boolean, check_is_safe_zip, DateColumn, generic_find_constraint_name, generic_find_fk_constraint_name, is_test, normalize_dttm_col, parse_boolean_string, QueryObjectFilterClause, remove_extra_adhoc_filters
label_desc: Use image node_id 15 for calling a global function with example usage: test_generic_constraint_name_not_found() without return types