Add utils_test.go

[codecov[bot]]

Codecov Report

Merging #62 (fc0b8f3) into main (85f4410) will decrease coverage by 8.76%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #62      +/-   ##
==========================================
- Coverage   53.67%   44.90%   -8.77%     
==========================================
  Files           4        5       +1     
  Lines         572      717     +145     
==========================================
+ Hits          307      322      +15     
- Misses        219      349     +130     
  Partials       46       46              

Flag	Coverage Δ
unittests	44.90% <ø> (-8.77%)	:arrow_down:

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

Impacted Files	Coverage Δ
pkg/networkengine/util/utils.go	10.34% <0.00%> (ø)

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[kadisi]

/retest