def METHOD_NAME(self):
    data = np.random.rand(5, 10, 12, 1)
    image = io.nib_to_sitk(data, self.affine, force_3d=True)
    assert image.GetDimension() == 3
    assert image.GetSize() == (10, 12, 1)
    assert image.GetNumberOfComponentsPerPixel() == 5