[issue30290] IDLE: add tests for help_about.py

[Terry J. Reedy]

Terry J. Reedy added the comment:

PR merged.  I will worry about where in the test to call AboutDialog.Ok, which has the last uncovered line  - and any other details -- later, perhaps when I merge this file into help.py.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30290>
_______________________________________