Cleanup tests

[janbruedigam]

No description provided.

[codecov-commenter]

Codecov Report

Merging #14 (01672d9) into main (d72135e) will increase coverage by 0.23%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #14      +/-   ##
==========================================
+ Coverage   92.15%   92.38%   +0.23%     
==========================================
  Files          81       81              
  Lines        3823     3823              
==========================================
+ Hits         3523     3532       +9     
+ Misses        300      291       -9     

Impacted Files	Coverage Δ
src/contacts/utilities.jl	42.85% <0.00%> (+42.85%)	⬆️

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