test test_webbrowser "can't locate runnable browser" with enable-optimizations

[swamper123]

BPO	43320
Nosy	@iritkatriel, @swamper123

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2022-01-31.00:30:04.379>
created_at = <Date 2021-02-25.13:41:32.823>
labels = ['3.8', 'tests']
title = 'test test_webbrowser "can\'t locate runnable browser" with enable-optimizations'
updated_at = <Date 2022-01-31.00:30:04.378>
user = 'https://github.com/swamper123'

bugs.python.org fields:

activity = <Date 2022-01-31.00:30:04.378>
actor = 'iritkatriel'
assignee = 'none'
closed = True
closed_date = <Date 2022-01-31.00:30:04.379>
closer = 'iritkatriel'
components = ['Tests']
creation = <Date 2021-02-25.13:41:32.823>
creator = 'swamper123'
dependencies = []
files = []
hgrepos = []
issue_num = 43320
keywords = []
message_count = 2.0
messages = ['387672', '412183']
nosy_count = 2.0
nosy_names = ['iritkatriel', 'swamper123']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue43320'
versions = ['Python 3.8']

[swamper123]

I downloaded the sources for python 3.8.8 (not tested with Python3.9.2. so far)and compiled it
with enabled-optimisations parameter on a fresh Ubuntu 20.04 machine.

Beside the test_ssl error (there is an existing workaround, but still not happy with that one tbh) I could solve, the test "test_webbrowser" fails and I don't know how to handle that one.

ERROR: test_synthesize(test_webbrowser.ImportTest)
----------------------------------------------------------------

Traceback (most recent call last):
   File "Path/Python-3.8.8/Lib/test/test_webbrowser.py", line 299, in test_synthesize
   webbrowser.get(sys.executable)
File "Path/Python-3.8.8/Lib/webbrowser.py", line 65, in get 
    raise Error("could not locate runnable browser")
webbrowser.Error: could not locate runnable browser

[iritkatriel]

3.8 is no longer maintained. Please create a new issue if you are seeing this problem on a current version (>= 3.9).