gh-83055: asyncio.Queue: putting items out of order when it is full - #112496

Change after run make patchcheck

run make patchcheck

Add comment when testing self._state
Change if to while instruction  in _block method

Refactoring all test names of BarrierTests to be more readable
Add a method cancel_coros
Refactoring and simplifyiing some tests
Correction of RGX_REPR

after run python.bat Tools\scripts\patchcheck.py

Add  Barrier object as a clone of threading.Barrier

Describe when  action is called

first feedbacks from Emmanuel Arias

Remove  "import functools"

Suggestion of Emmanuel Arias: Add sample and description about Barrier Class

bpo-43352 - Add a sample and description for Barrier Object

Minor updates as remove crlf

bpo-43352 Suppress ` in a comment of the example

…ythonGH-24903)

Add a class BarrierTests to test Barrier object
Run i17 tests ncluding one about Barrier does not accept loop parameter

…ythonGH-24903)

Add the Barrier object in Synchronization section
Add a link to a Barrier sample  in Examples sub-section
Add the BrokenBarrierError Exception in Exception section

…ythonGH-24903)

Add a complete documentation inspired from threading.Barrier
Add a sample  to show how use a Barrier Object

…ythonGH-24903)

Add a Barrier object as a clone from thraeding Barrier
Update of __all__ variable to include this new class and the related BrokenBarrierError exception

…ythonGH-24903)

Add a class BarrierTests to test Barrier object
Run 17 tests including one about Barrier does not accept loop parameter