class_docstr: Test History.fetch with wrapped tk.Text.
      
class_docstr_tok: ["Test","History.fetch","with","wrapped","tk.Text","."]
code: def test_fetch_edit(self):
      # Edit after fetch
      self.history.fetch(reverse=True)  # initialization
      self.text.delete(
          "iomark",
          "insert",
      )
      self.text.insert("iomark", "a =")
      self.fetch_test(True, line1, "a =", 0)
  
imports: import unittest
  from test.test_support import requires
  import Tkinter
  from Tkinter import Text
  from idlelib.idle_test.mock_tk import Text
  from idlelib.IdleHistory import History
  from idlelib.configHandler import idleConf
label_desc: Use image node_id 12 for calling the FetchTest obj's underlying member method code with example usage: obj.test_fetch_edit() without return types