def METHOD_NAME(self):
    self.elasticsearch_engine_settings = {
        'es_scheme': 'http://',
        'host': 'localhost',
        'port': 9200,
        'es_alias': 'test_alias',
        'es_index_1': 'test_index',
        'doc_type': 'test_doc_type',
    }
    self.esds = ElasticSearchDataStore()
    self.esds._clear_connections()  # Needed because `ElasticSearchDataStore` is a singleton instance