code: def test_nowrap(self):
      view = tv.view_text(
          root, "Title", "test", modal=False, wrap="none"
      )
      text_widget = view.viewframe.textframe.text
      self.assertEqual(text_widget.cget("wrap"), "none")
  
imports: from idlelib import textview
  from test.support import requires
  import os
  import unittest
  from tkinter import Tk, TclError, CHAR, NONE, WORD
  from tkinter.ttk import Button
  from idlelib.idle_test.mock_idle import Func
  from idlelib.idle_test.mock_tk import Mbox_func
label_desc: Use image node_id 7 for calling the ViewFunctionTest obj's underlying member method code with example usage: obj.test_nowrap() without return types