code: def test_make_response(self):
      app = flask.Flask(__name__)
      with app.test_request_context():
          rv = flask.helpers.make_response()
          assert rv.status_code == 200
          assert rv.mimetype == "text/html"
  
          rv = flask.helpers.make_response("Hello")
          assert rv.status_code == 200
          assert rv.data == b"Hello"
          assert rv.mimetype == "text/html"
  
imports: import io
  import os
  import pytest
  import werkzeug.exceptions
  import flask
  from flask.helpers import get_debug_flag
label_desc: Use image node_id 2 for calling the TestHelpers obj's underlying member method code with example usage: obj.test_make_response() without return types