Create a template for minimally testing a tkinter-using module by importing it and instantiating its class(es). Add a test file for all non-startup IDLE modules. Edit existing files and update coverage. This is part 1 of 3, covering the 21 autocomplete to help modules and touching 33 idlelib files.
(cherry picked from commit ee5ef309c7)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Verify user-entered key sequences by trying to bind them with tk.
Add tests for all 3 validation functions.
Original patch by G Polo. Tests added by Cheryl Sabella.
Miss Islington (bot)
terryjreedy
csabella
Victor Stinner