def METHOD_NAME(self, dataset={}):
    provider_mock = Mock()
    provider_mock.get_vocabulary_id = Mock(return_value='TREES')
    provider_mock.get_metadata = Mock(return_value={'id': 'TREES', 'subject': [], 'dataset': dataset})
    cs = Mock()
    cs.uri = 'urn:x-atramhasis:conceptschemes:trees'
    cs.labels = []
    provider_mock.concept_scheme = cs
    return provider_mock