Fix draws

[codecov[bot]]

Codecov Report

Merging #60 into master will increase coverage by 0.07%. The diff coverage is 36.84%.

@@            Coverage Diff             @@
##           master      #60      +/-   ##
==========================================
+ Coverage   62.41%   62.49%   +0.07%     
==========================================
  Files          29       29              
  Lines        4510     4522      +12     
==========================================
+ Hits         2815     2826      +11     
- Misses       1695     1696       +1     

Impacted Files	Coverage Δ
R/calibrate.R	89.35% <ø> (ø)
R/pops_multirun.R	94.59% <ø> (ø)
R/validate.R	99.35% <ø> (ø)
R/configuration.R	78.16% <36.84%> (-2.57%)	:arrow_down:
R/quantity_allocation_disagreement.R	92.85% <0.00%> (+7.14%)	:arrow_up:

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[ChrisJones687]

Fixes #59