def METHOD_NAME(self):
    """multiple fields, gte, and lt."""
    self.view.filterset_fields = ["x", "y"]
    self.request.query_params = {"x__gte": 10, "y__lt": 5}
    self.backend.filter_queryset(self.request, self.queryset, self.view)
    calls = self.queryset.method_calls
    # Since both variables are in `filterset_fields`, they both get processed.
    expected = [("filter", (), {"x__gte": 10}), ("filter", (), {"y__lt": 5})]
    self.assertEqual(calls, expected)