test(evm): increase state root coverage

[oXtxNt9U]

Summary

Checklist

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

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.59%. Comparing base (fae40aa) to head (16668c0).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1268      +/-   ##
===========================================
+ Coverage    53.15%   53.59%   +0.43%     
===========================================
  Files         1128     1131       +3     
  Lines        63670    64200     +530     
  Branches      1724     1801      +77     
===========================================
+ Hits         33845    34405     +560     
+ Misses       29532    29500      -32     
- Partials       293      295       +2     

Flag	Coverage Δ
contracts	98.60% <ø> (?)
packages	53.28% <100.00%> (+0.12%)	⬆️

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