Sleep for flaky search test

[chayim]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1680 (d001970) into master (3837e0d) will increase coverage by 0.09%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #1680      +/-   ##
==========================================
+ Coverage   89.64%   89.73%   +0.09%     
==========================================
  Files          57       57              
  Lines       11183    11186       +3     
==========================================
+ Hits        10025    10038      +13     
+ Misses       1158     1148      -10     

Impacted Files	Coverage Δ
tests/test_search.py	98.47% <50.00%> (+0.31%)	⬆️
redis/commands/core.py	90.05% <0.00%> (+<0.01%)	⬆️
tests/test_commands.py	99.80% <0.00%> (+0.19%)	⬆️
tests/test_json.py	100.00% <0.00%> (+0.20%)	⬆️
tests/test_lock.py	100.00% <0.00%> (+0.53%)	⬆️
redis/retry.py	100.00% <0.00%> (+4.76%)	⬆️

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