text: import pytest
  from tests.utils_tests import check_task_sequences_files
  from continuum.mnistfellowship import MnistFellowship
  import os
  
  dataset_size = 100
  dir_data = "./Archives"
  
  @pytest.mark.slow
  def test_mnist_fellowship():
      # no need to download the dataset again for this test (if it already exists)
      input_folder = os.path.join(dir_data, 'Data')
      MnistFellowship(path=input_folder, merge=False, download=False, train=True)
      check_task_sequences_files(scenario="mnist_fellowship",
                                 folder=dir_data,
                                 n_tasks=3,
                                 dataset="mnist_fellowship",
                                 train=True)
  
  @pytest.mark.slow
  def test_mnist_fellowship_merge():
      # no need to download the dataset again for this test (if it already exists)
      input_folder = os.path.join(dir_data, 'Data')
      MnistFellowship(path=input_folder, merge=True, download=False, train=True)
      check_task_sequences_files(scenario="mnist_fellowship_merge",
                                 folder=dir_data,
                                 n_tasks=3,
                                 dataset="mnist_fellowship",
                                 train=True)