class_docstr: Test the MITIFF Writer class.
code: def _imagedescription_from_mitiff(self, filename):
      pillow_tif = Image.open(filename)
      IMAGEDESCRIPTION = 270
      imgdesc = (pillow_tif.tag_v2.get(IMAGEDESCRIPTION)).split("\n")
      return imgdesc
  
imports: import logging
  import os
  import unittest
  import numpy
  from PIL import Image
label_desc: Use image node_id 14 for calling the TestMITIFFWriter obj's underlying member method code with example usage: obj._imagedescription_from_mitiff(filename) and returns: imgdesc