Add public TestCase method/property to get result of current test

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-02-23.22:08:37.011>
labels = ['type-feature', 'library', '3.9']
title = 'Add public TestCase method/property to get result of current test'
updated_at = <Date 2019-06-27.09:20:46.412>
user = 'https://bugs.python.org/VictorEngmark'

bugs.python.org fields:

activity = <Date 2019-06-27.09:20:46.412>
actor = 'jdemeyer'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-02-23.22:08:37.011>
creator = 'Victor Engmark'
dependencies = []
files = []
hgrepos = []
issue_num = 32926
keywords = ['patch']
message_count = 1.0
messages = ['312671']
nosy_count = 4.0
nosy_names = ['rbcollins', 'ezio.melotti', 'michael.foord', 'Victor Engmark']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue32926'
versions = ['Python 3.9']