text: import torch
  from scripts.study_case.ID_13.torch_geometric.transforms import RandomFlip
  from scripts.study_case.ID_13.torch_geometric.data import Data
  
  
  def test_cartesian():
      assert RandomFlip(axis=0).__repr__() == 'RandomFlip(axis=0, p=0.5)'
  
      pos = torch.tensor([[-1, 1], [-3, 0], [2, -1]], dtype=torch.float)
      data = Data(pos=pos)
  
      out = RandomFlip(axis=0, p=1)(data).pos.tolist()
      assert out == [[1, 1], [3, 0], [-2, -1]]
  