class_docstr: Note: Tests currently do a poor job of testing functionality
code: def test_tcompcor_no_percentile(self):
      ccinterface = TCompCor(
          num_components=6, realigned_file=self.realigned_file
      )
      ccinterface.run()
  
      mask = nb.load("mask_000.nii.gz").dataobj
      num_nonmasked_voxels = np.count_nonzero(mask)
      assert num_nonmasked_voxels == 1
  
imports: import os
  import nibabel
  import numpy
  import pytest
  from ...testing import utils
  from ..confounds import CompCor, TCompCor, ACompCor
label_desc: Use image node_id 5 for calling the TestCompCor obj's underlying member method code with example usage: obj.test_tcompcor_no_percentile() without return types