enhance unittest to show test name and docstring on one line

GitHub fields:

assignee = 'https://github.com/ethanfurman'
closed_at = None
created_at = <Date 2022-03-26.20:56:32.850>
labels = ['easy', 'type-feature', 'tests', '3.11']
title = 'enhance unittest to show test name and docstring on one line'
updated_at = <Date 2022-04-03.20:00:29.618>
user = 'https://github.com/ethanfurman'

bugs.python.org fields:

activity = <Date 2022-04-03.20:00:29.618>
actor = 'gregory.p.smith'
assignee = 'ethan.furman'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2022-03-26.20:56:32.850>
creator = 'ethan.furman'
dependencies = []
files = []
hgrepos = []
issue_num = 47133
keywords = ['easy']
message_count = 9.0
messages = ['416090', '416094', '416097', '416099', '416100', '416103', '416105', '416138', '416642']
nosy_count = 5.0
nosy_names = ['gregory.p.smith', 'steven.daprano', 'ethan.furman', 'serhiy.storchaka', 'itay.yeshaya']
pr_nums = []
priority = 'low'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue47133'
versions = ['Python 3.11']