def test_min_spread_day_num_rv():
    records = [{'Dy': 1, 'MxT': 10, 'MnT': 0}, {'Dy': 2, 'MxT': 5, 'MnT': 0}]
    rv = min_spread_day_num(records)
    assert (rv == 2)
def test_min_spread_day_num_rv():
    records = [{'Dy': 1, 'MxT': 10, 'MnT': 0}, {'Dy': 2, 'MxT': 5, 'MnT': 0}]
    rv = min_spread_day_num(records)
    assert (rv == 2)