BUG: Try to fix tests hanging

[aresnow1]

What do these changes do?

Try to fix tests hanging.

Related issue number

Fixes #xxxx

Check code requirements

• tests added / passed (if needed)
• Ensure all linting tests pass

[codecov]

Codecov Report

Merging #301 (b08b7ea) into main (e9325cf) will increase coverage by 0.03%.
The diff coverage is n/a.

❗ Current head b08b7ea differs from pull request most recent head bc5a175. Consider uploading reports for the commit bc5a175 to get more accurate results

@@            Coverage Diff             @@
##             main     #301      +/-   ##
==========================================
+ Coverage   93.64%   93.68%   +0.03%     
==========================================
  Files         988      988              
  Lines       76149    76149              
  Branches    15888    15888              
==========================================
+ Hits        71312    71341      +29     
+ Misses       3242     3211      -31     
- Partials     1595     1597       +2     

Flag	Coverage Δ
unittests	93.56% <ø> (+0.03%)	⬆️

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Impacted Files	Coverage Δ
python/xorbits/_mars/services/storage/core.py	96.85% <ø> (ø)

... and 11 files with indirect coverage changes