old_contents: import json
  
  from echo.response import EchoResponse, EchoSimplePlainTextResponse
  from echo.tests import BaseEchoTestCase
  
  
  class TestEchoSimplePlainTextResponse(BaseEchoTestCase):
      def test_populates_text_in_response(self):
          """The Plain text response should populate the outputSpeech"""
          expected = "This is the text"
          response = EchoSimplePlainTextResponse(expected)
          data = json.loads(response.content)
  
          assert data['response']['outputSpeech']['type'] == EchoResponse.PLAIN_TEXT_OUTPUT
          assert data['response']['outputSpeech']['text'] == expected
  
      def test_populates_session(self):
          """The Plain text response should populate the session attributes"""
          expected = {'apple': 'red', 'orange': 'orange'}
          response = EchoSimplePlainTextResponse('text', session=expected)
          data = json.loads(response.content)
  
          assert data['sessionAttributes'] == expected
  
      def test_sets_end_session_bool(self):
          """The Plain text response should be able to set the end_session bool"""
          response = EchoSimplePlainTextResponse('text', end_session=False)
          data = json.loads(response.content)
          assert not data['response']['shouldEndSession']
  
new_contents: import json
  
  from echo.response import EchoResponse, EchoSimplePlainTextResponse
  from echo.tests import BaseEchoTestCase
  
  
  class TestEchoSimplePlainTextResponse(BaseEchoTestCase):
      def test_populates_text_in_response(self):
          """The Plain text response should populate the outputSpeech"""
          expected = "This is the text"
          response = EchoSimplePlainTextResponse(expected)
          data = json.loads(response.content.decode())
  
          assert data['response']['outputSpeech']['type'] == EchoResponse.PLAIN_TEXT_OUTPUT
          assert data['response']['outputSpeech']['text'] == expected
  
      def test_populates_session(self):
          """The Plain text response should populate the session attributes"""
          expected = {'apple': 'red', 'orange': 'orange'}
          response = EchoSimplePlainTextResponse('text', session=expected)
          data = json.loads(response.content.decode())
  
          assert data['sessionAttributes'] == expected
  
      def test_sets_end_session_bool(self):
          """The Plain text response should be able to set the end_session bool"""
          response = EchoSimplePlainTextResponse('text', end_session=False)
          data = json.loads(response.content.decode())
          assert not data['response']['shouldEndSession']
  
subject: Fix response tests in py3