Fix (#998): Will not expire/delete cookie from session when Set-Cookie only sets Max-Age=0 without Expires

[luckydenis]

Summary:
The reason why the cookie state information is lost is that when a response is received, the query library does not process max-age=0. It was decided to report the problem to the requests community and implement a temporary solution.

Done:

• Fix issue Will not expire/delete cookie from session when Set-Cookie only sets Max-Age=0 without Expires #998
• Add test for issue
• Run make test-all
• Make Loss of the cookie state when using max-age=0. psf/requests#5743

[codecov-io]

Codecov Report

Merging #1029 (d4e57b2) into master (cf78a12) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1029      +/-   ##
==========================================
+ Coverage   95.55%   95.56%   +0.01%     
==========================================
  Files          61       61              
  Lines        3937     3947      +10     
==========================================
+ Hits         3762     3772      +10     
  Misses        175      175              

Impacted Files	Coverage Δ
httpie/utils.py	97.72% <100.00%> (+0.35%)	⬆️
tests/test_sessions.py	100.00% <100.00%> (ø)

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[luckydenis]

It looks like there was a bug in the test environment. 😊

[jkbrzt]

Thanks, @luckydenis 🥧

[luckydenis]

@jakubroztocil, Thank you, I hope to participate in your wonderful project again ^_^