code: def test_remove_batch(self):
      from zoo.pipeline.api.utils import remove_batch
  
      assert remove_batch([2, 3, 4]) == [3, 4]
      assert remove_batch([[2, 6, 7], [2, 3, 4]]) == [[6, 7], [3, 4]]
  
imports: import pytest
  import shutil
  from zoo.feature.common import ChainedPreprocessing
  from zoo.feature.image import *
  from zoo.pipeline.api.keras.layers import *
  from zoo.pipeline.api.keras.models import *
  from test.zoo.pipeline.utils.test_utils import ZooTestCase
label_desc: Use image node_id 7 for calling the TestSimpleIntegration obj's underlying member method code with example usage: obj.test_remove_batch() without return types