def METHOD_NAME(step):
    """
    Step to create a constextRegistrations with the attributes and entities setted before, one for each providing application
    a context registrations with the before entities and attributes and the following providing applications
    | providing_application |
    :param step:
    :return:
    """
    check_world_attribute_is_not_none(['entities', 'attributes_consult'])
    world.context_registrations = ContextRegistrations()
    for line in step.hashes:
        world.context_registrations.add_context_registration(
            world.entities, world.attributes_consult,
            'http://{ip}:{port}{path}'.format(ip=world.config['mock']['host'], port=world.config['mock']['port'],
                                              path=line['providing_application']))