async def METHOD_NAME(
    mock_sts_client,
    mock_iam_client,  # noqa: F811 # intentional for mocks
    mock_fs,
    mock_execution_message,
    mock_aws_account,
):
    _, templates_base_dir = mock_fs
    files = await generate_account_managed_policy_resource_files(
        mock_execution_message, mock_aws_account
    )
    assert len(files["managed_policies"]) == 1
    assert files["managed_policies"][0]["policy_name"] == EXAMPLE_MANAGED_POLICY_NAME