def test_single_facet(self):
        """
        Tests facet requests for a single field (color) across different retrieval and ranking methods.
        """
        self.add_fashion_docs()
        for retrieval_method, ranking_method in (
                (RetrievalMethod.Tensor, RankingMethod.Tensor),
                (RetrievalMethod.Lexical, RankingMethod.Lexical),
                (RetrievalMethod.Disjunction, RankingMethod.RRF),
        ):
            with self.subTest(retrieval_method=retrieval_method, ranking_method=ranking_method):
                facets = FacetsParameters(fields={"color": FieldFacetsConfiguration(type="string")})
                expected_lexical_facets = {'color': {'red': {'count': 1}}}
                expected_other_facets = {'color': {'red': {'count': 2}, 'coral': {'count': 1}, 'green': {'count': 1}}}
                self._test_facet_query(
                    retrieval_method=retrieval_method, ranking_method=ranking_method,
                    facets=facets,
                    expected_lexical_facets=expected_lexical_facets, expected_other_facets=expected_other_facets
                )

        Tests facet requests for a single field (color) across different retrieval and ranking methods.
        
tests/integ_tests/tensor_search/integ_tests/test_facets.py