Add ability to wholesale silence DeprecationWarnings while running the test suite #89015

assignee = 'https://github.com/ambv'
closed_at = <Date 2021-08-17.10:01:37.964>
created_at = <Date 2021-08-06.16:34:02.574>
labels = ['type-feature', 'tests', '3.9', '3.10', '3.11']
title = 'Add ability to wholesale silence DeprecationWarnings while running the test suite'
updated_at = <Date 2021-08-18.12:10:43.260>
user = 'https://github.com/ambv'

activity = <Date 2021-08-18.12:10:43.260>
actor = 'lukasz.langa'
assignee = 'lukasz.langa'
closed = True
closed_date = <Date 2021-08-17.10:01:37.964>
closer = 'lukasz.langa'
components = ['Tests']
creation = <Date 2021-08-06.16:34:02.574>
creator = 'lukasz.langa'
dependencies = []
files = []
hgrepos = []
issue_num = 44852
keywords = ['patch']
message_count = 11.0
messages = ['399102', '399104', '399118', '399150', '399156', '399665', '399680', '399728', '399836', '399840', '399841']
nosy_count = 3.0
nosy_names = ['lukasz.langa', 'serhiy.storchaka', 'miss-islington']
pr_nums = ['27634', '27784', '27785', '27793', '27809', '27810']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue44852'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']