def test_without_usage(self):
        """Ensures function returns empty dict when usage is missing."""
        raw_response = {}
        expected_result = {}
        result = _get_response_token_counts(raw_response)
        assert result == expected_result
Ensures function returns empty dict when usage is missing.
llama-index-integrations/llms/llama-index-llms-oci-data-science/tests/test_oci_data_science_utils.py