test_cases = [
    {
        "generations": ["(12.7, 67.8)", "(16.7, 89.6)"],
        "golds": [[12.7, 67.8], [10.9, 80.6]],
        "d_range": 20,
        "result": {"coord_accuracy": 0.5}
    },
    {
        "generations": ["(12.7, 67.8)", "(16.7, 89.6)"],
        "golds": [[12.7, 67.8], [10.9, 80.6]],
        "d_range": 1000000,
        "result": {"coord_accuracy": 1}
    },
]