fix(storage): do not open port for prometheus test

[skyzh]

Signed-off-by: Alex Chi [email protected]

What's changed and what's your intention?

As title

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

Refer to a related PR or issue link (optional)

[codecov]

Codecov Report

Merging #250 (f7e941a) into main (ff591c2) will decrease coverage by 0.22%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #250      +/-   ##
============================================
- Coverage     74.14%   73.91%   -0.23%     
  Complexity     2657     2657              
============================================
  Files           847      847              
  Lines         48110    48082      -28     
  Branches       1567     1567              
============================================
- Hits          35670    35540     -130     
- Misses        11639    11741     +102     
  Partials        801      801              

Flag	Coverage Δ
java	62.05% <ø> (ø)
rust	79.01% <100.00%> (-0.33%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
rust/storage/src/hummock/state_store_tests.rs	83.33% <100.00%> (-5.73%)	⬇️
rust/storage/src/hummock/utils.rs	0.00% <0.00%> (-100.00%)	⬇️
rust/storage/src/hummock/mod.rs	40.00% <0.00%> (-43.04%)	⬇️
rust/storage/src/hummock/version_manager.rs	32.32% <0.00%> (-7.08%)	⬇️
rust/storage/src/hummock/value.rs	63.79% <0.00%> (-5.18%)	⬇️
rust/storage/src/hummock/cloud.rs	86.20% <0.00%> (-3.45%)	⬇️
rust/storage/src/hummock/compactor.rs	0.00% <0.00%> (-2.44%)	⬇️

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