test: fix contract tests and improve workflow

[sebastijankuzner]

Summary

Checklist

• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.21%. Comparing base (5513e52) to head (f1040e1).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #957      +/-   ##
===========================================
+ Coverage    49.90%   50.21%   +0.31%     
===========================================
  Files         1110     1113       +3     
  Lines        59719    60111     +392     
  Branches      1390     1458      +68     
===========================================
+ Hits         29800    30187     +387     
- Misses       29883    29885       +2     
- Partials        36       39       +3     

Flag	Coverage Δ
contracts	98.72% <ø> (?)
packages	49.90% <ø> (ø)

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