test_cases = [
    {
        "predictions": ["A", "B"],
        "references": ["A", "B"],
        "result": {"accuracy": 1, 'bleu-1': 1}
    },
    {
        "predictions": ["A", "B"],
        "references": ["A", "C"],
        "result": {"accuracy": 0.5, 'bleu-1': 0.5}
    }
]