test(state): increase unit tests coverage

[sebastijankuzner]

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 52.01%. Comparing base (a3c1bf1) to head (3a51191).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1202      +/-   ##
===========================================
+ Coverage    51.66%   52.01%   +0.35%     
===========================================
  Files         1135     1138       +3     
  Lines        62229    62659     +430     
  Branches      1660     1737      +77     
===========================================
+ Hits         32150    32594     +444     
+ Misses       29925    29909      -16     
- Partials       154      156       +2     

Flag	Coverage Δ
contracts	98.60% <ø> (?)
packages	51.69% <100.00%> (+0.03%)	⬆️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.