code: def test_dunder_name(self):
      code = """
              y = [__x for __x in [1]]
          """
      outputs = {"y": [1]}
      self._check_in_scopes(code, outputs)
  
imports: import doctest
  import textwrap
  import types
  import unittest
label_desc: Use image node_id 26 for calling the ListComprehensionTest obj's underlying member method code with example usage: obj.test_dunder_name() without return types