Fix temperature error code despite success status code

[lisabiermann]

This PR fixes #173.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 83.11%. Comparing base (52326c8) to head (1bc597c).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/bounce_solution/bounce_solution.cpp	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #174      +/-   ##
===========================================
+ Coverage    82.83%   83.11%   +0.28%     
===========================================
  Files           54       54              
  Lines        19384    19383       -1     
  Branches      1852     1855       +3     
===========================================
+ Hits         16056    16111      +55     
+ Misses        3328     3272      -56     

Flag	Coverage Δ
unittests	83.11% <75.00%> (+0.28%)	⬆️

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[vollous]

Would you mind creating a unit test with Christoph's point so that this never happens again? In case we change the logic in the future.

[vollous]

Looks good. I added some changes to the test to make it quicker (we were getting timeouts).