Fixture's category (the containing testing module name)

        **Examples**

        :module:   test_torment.test_unit.test_fixtures.fixture_a44bc6dda6654b1395a8c2cbd55d964d
        :category: fixtures

def category(self) -> str:
        '''Fixture's category (the containing testing module name)

        **Examples**

        :module:   test_torment.test_unit.test_fixtures.fixture_a44bc6dda6654b1395a8c2cbd55d964d
        :category: fixtures

        '''

        logger.debug('dir(self.__module__): %s', dir(self.__module__))

        return self.__module__.__name__.rsplit('.', 2)[-2].replace('test_', '')