def METHOD_NAME(test_dl):
    channels = [1084803, 1084804, 1121600]
    test_dl.set_files("timestamp == '20230318T012144Z'")
    test_dl.set_datastreams(channels, "ch")
    test_dl.set_output(columns=["eventnumber"], fmt="pd.DataFrame", merge_files=False)
    data = test_dl.load()
    assert np.array_equal(data[0]["hit_table"].unique(), channels)