Test test_get_moveable_keys was broken

[sobolevn]

Pull Request check-list

Please make sure to review and check all of these items:

• Does $ tox pass with this change (including linting)?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?
• Was the change added to CHANGES file?

Description of change

This test was not checking anything, because .sort() always returns None. It was checking that None == None.

See:

>>> assert [3, 1, 2].sort() is None
>>> sorted([3, 1, 2])
[1, 2, 3]

[codecov-commenter]

Codecov Report

Base: 78.91% // Head: 92.04% // Increases project coverage by +13.13% 🎉

Coverage data is based on head (96baf77) compared to base (4200d54).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #2411       +/-   ##
===========================================
+ Coverage   78.91%   92.04%   +13.13%     
===========================================
  Files         110      110               
  Lines       28735    28735               
===========================================
+ Hits        22675    26448     +3773     
+ Misses       6060     2287     -3773     

Impacted Files	Coverage Δ
tests/test_command_parser.py	93.87% <100.00%> (ø)
tests/test_asyncio/test_search.py	98.26% <0.00%> (-0.35%)	⬇️
redis/commands/core.py	82.17% <0.00%> (+0.16%)	⬆️
redis/asyncio/client.py	92.22% <0.00%> (+0.17%)	⬆️
tests/test_commands.py	89.92% <0.00%> (+0.18%)	⬆️
tests/test_json.py	100.00% <0.00%> (+0.19%)	⬆️
tests/test_asyncio/test_json.py	100.00% <0.00%> (+0.24%)	⬆️
redis/connection.py	86.30% <0.00%> (+0.48%)	⬆️
tests/test_lock.py	100.00% <0.00%> (+0.49%)	⬆️
tests/test_asyncio/test_lock.py	100.00% <0.00%> (+0.52%)	⬆️
... and 23 more

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[dvora-h]

Nice catch!