fix: try to fix unstable fuzz test

[WenyXu]

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Refer to a related PR or issue link (optional)

What's changed and what's your intention?

1. ignore PoolTimedOut error for now

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

[fengjiachun]

Set acquire_timeout to 60s

Can you explain why you do this?

[WenyXu]

Set acquire_timeout to 60s

Can you explain why you do this?

Good catch, it seems we don't need to change this value.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.18%. Comparing base (d7ade3c) to head (3afdb3e).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4003      +/-   ##
==========================================
- Coverage   85.48%   85.18%   -0.31%     
==========================================
  Files         977      977              
  Lines      169348   169344       -4     
==========================================
- Hits       144773   144261     -512     
- Misses      24575    25083     +508     

[fengjiachun]

LGTM