Fixes Issue 258

[cwelch5]

fixes #258

• test added to showcase bug

[codecov]

Codecov Report

Merging #259 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #259   +/-   ##
=======================================
  Coverage   98.55%   98.55%           
=======================================
  Files           3        3           
  Lines         277      277           
=======================================
  Hits          273      273           
  Misses          4        4

Impacted Files	Coverage Δ
src/HelmetUtils.js	98.1% <100%> (ø)	⬆️

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