Improve Code Coverage

[lrennels]

No description provided.

[codecov]

Codecov Report

Merging #745 into master will increase coverage by 0.90%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #745      +/-   ##
==========================================
+ Coverage   77.84%   78.74%   +0.90%     
==========================================
  Files          36       35       -1     
  Lines        3001     2969      -32     
==========================================
+ Hits         2336     2338       +2     
+ Misses        665      631      -34     

Flag	Coverage Δ
#unittests	78.74% <ø> (+0.90%)	⬆️

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

Impacted Files	Coverage Δ
src/Mimi.jl	100.00% <ø> (ø)
src/core/defs.jl	82.60% <ø> (+1.41%)	⬆️
src/core/types/defs.jl	78.66% <ø> (-0.29%)	⬇️
src/utils/graph.jl	52.38% <ø> (+24.17%)	⬆️
src/utils/misc.jl	100.00% <0.00%> (+16.66%)	⬆️

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[lrennels]

@ckingdon95 @davidanthoff it's just incremental but moving things along