code: def test_encoding1(self):
      encoder = json.JSONEncoder(encoding="utf-8")
      u = "\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}"
      s = u.encode("utf-8")
      ju = encoder.encode(u)
      js = encoder.encode(s)
      self.assertEqual(ju, js)
  
imports: import sys
  import codecs
  from unittest import TestCase
  import simplejson
  from simplejson.compat import unichr, text_type, b, BytesIO
label_desc: Use image node_id 1 for calling the TestUnicode obj's underlying member method code with example usage: obj.test_encoding1() without return types