Make unit tests fail early

[hardillb]

Description

As discussed in the retro, unit tests will now fail fast

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.41%. Comparing base (a979a67) to head (451d005).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8654   +/-   ##
=======================================
  Coverage   77.41%   77.41%           
=======================================
  Files         469      469           
  Lines       25340    25340           
  Branches     6748     6748           
=======================================
  Hits        19618    19618           
  Misses       5722     5722           

Flag	Coverage Δ
backend	77.41% <ø> (ø)

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