code: def test_expectedoutputnull_is_fine_when_null(tmpdir):
      data_inputs = np.array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
      expected_outputs = None
  
      p = Pipeline([AssertExpectedOutputIsNone()])
      p.fit_transform(data_inputs, expected_outputs)
  
imports: from unittest import TestCase
  import numpy
  import pytest
  from neuraxle.base import AssertExpectedOutputIsNone, BaseStep
  from neuraxle.base import ExecutionContext
  from neuraxle.base import ExecutionPhase, HandleOnlyMixin, NonFittableMixin
  from neuraxle.data_container import DataContainer
  from neuraxle.pipeline import Pipeline
label_desc: Use image node_id 2 for calling a global function with example usage: test_expectedoutputnull_is_fine_when_null(tmpdir) without return types