code: def setUp(self):
      pos = np.array(
          [
              [1, 0, 0],
              [0, 1, 0],
              [0, 0, 0],
              [0, 0, 1],
              [1, 1, 1],
              [0, 1, 1],
          ]
      )
      labels = np.array([0, 0, 0, 0, 0, 0])
  
      self.data = Data(
          pos=torch.from_numpy(pos).float(),
          labels=torch.from_numpy(labels),
      )
  
file_path: torch-points3d/test/test_random_cylinder.py
imports: import os
  import sys
  import unittest
  import numpy
  import torch
  from torch_geometric.data import Data
  from torch_points3d.core.data_transform.transforms import CylinderSampling
label_desc: Use image node_id 1 for calling the TestRandomCylinder obj's underlying member method code with example usage: obj.setUp() without return types