def METHOD_NAME(self, dataset: BigEarthNet) -> None:
    x = dataset[0]
    assert isinstance(x, dict)
    assert isinstance(x["image"], torch.Tensor)
    assert isinstance(x["label"], torch.Tensor)
    assert x["label"].shape == (dataset.num_classes,)
    assert x["image"].dtype == torch.float32
    assert x["label"].dtype == torch.int64
    if dataset.bands == "all":
        assert x["image"].shape == (14, 120, 120)
    elif dataset.bands == "s1":
        assert x["image"].shape == (2, 120, 120)
    else:
        assert x["image"].shape == (12, 120, 120)