test(evm): increase overall coverage

[oXtxNt9U]

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

❌ Patch coverage is 99.79079% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 54.11%. Comparing base (0c04051) to head (52fa3d0).
⚠️ Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/evm/core/src/db.rs	99.19%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1270      +/-   ##
===========================================
+ Coverage    53.28%   54.11%   +0.83%     
===========================================
  Files         1128     1131       +3     
  Lines        63768    64574     +806     
  Branches      1724     1801      +77     
===========================================
+ Hits         33979    34945     +966     
+ Misses       29496    29334     -162     
- Partials       293      295       +2     

Flag	Coverage Δ
contracts	98.60% <ø> (?)
packages	53.81% <99.79%> (+0.53%)	⬆️

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