def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def setup_loader(request):
    setup_loader_modules = {pdbedit: {}}
    with pytest.helpers.loader_mock(request, setup_loader_modules) as loader_mock:
        yield loader_mock