code: def test_encoding4(self):
      u = "\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}"
      j = self.dumps([u])
      self.assertEqual(j, '["\\u03b1\\u03a9"]')
  
imports: from collections import OrderedDict
  from json.tests import PyTest, CTest
label_desc: Use image node_id 4 for calling the TestUnicode obj's underlying member method code with example usage: obj.test_encoding4() without return types