bpo-33855: More edits and new minimal tests for IDLE (GH-7761)

Part 2 of 3.  Continues PR #7689, changeset ee5ef30.
Edit and add tests for 18 modules, help_about to replace and run.

1 files changed, 5 insertions, 1 deletions

diff --git a/Lib/idlelib/idle_test/test_history.py b/Lib/idlelib/idle_test/test_history.py
index b278010..6753965 100644
--- a/Lib/idlelib/idle_test/test_history.py
+++ b/Lib/idlelib/idle_test/test_history.py
@@ -1,15 +1,18 @@
+" Test history, coverage 100%."
+
+from idlelib.history import History
 import unittest
 from test.support import requires
 
 import tkinter as tk
 from tkinter import Text as tkText
 from idlelib.idle_test.mock_tk import Text as mkText
-from idlelib.history import History
 from idlelib.config import idleConf
 
 line1 = 'a = 7'
 line2 = 'b = a'
 
+
 class StoreTest(unittest.TestCase):
     '''Tests History.__init__ and History.store with mock Text'''
 
@@ -61,6 +64,7 @@ class TextWrapper:
     def bell(self):
         self._bell = True
 
+
 class FetchTest(unittest.TestCase):
     '''Test History.fetch with wrapped tk.Text.
     '''