code: def test_get_properties(self):
      pass
  
imports: import unittest
  import numpy
  from pgmpy import config
  from pgmpy.readwrite import NETReader, NETWriter
  from pgmpy.utils import compat_fns, get_example_model
label_desc: Use image node_id 7 for calling the TestNETReader obj's underlying member method code with example usage: obj.test_get_properties() without return types