code: def test_iter(self):
      parcoords_list = list(self.parcoords)
  
      # Primitive property
      self.assertTrue("name" in parcoords_list)
  
      # Compound property
      self.assertTrue("line" in parcoords_list)
  
      # Literal
      self.assertTrue("type" in parcoords_list)
  
      # Compound array property
      self.assertTrue("dimensions" in parcoords_list)
  
      # Bogus
      self.assertFalse("bogus" in parcoords_list)
  
imports: from unittest import TestCase
  import plotly.graph_objs
  import pytest
label_desc: Use image node_id 3 for calling the TestPropertyIterContains obj's underlying member method code with example usage: obj.test_iter() without return types