code: def assertQNStringIs(self, node, qn_str):
      self.assertEqual(str(anno.getanno(node, anno.Basic.QN)), qn_str)
  
imports: import textwrap
  import unittest
  from nvidia.dali._autograph.pyct import anno
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import qual_names
  from nvidia.dali._autograph.pyct.qual_names import QN
  from nvidia.dali._autograph.pyct.qual_names import resolve
label_desc: Use image node_id 1 for calling the QNResolverTest obj's underlying member method code with example usage: obj.assertQNStringIs(node, qn_str) without return types