chore(test): added tests for nav

[artemnih]

No description provided.

[codecov]

Codecov Report

Merging #73 into master will increase coverage by 1.9%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master      #73     +/-   ##
=========================================
+ Coverage   76.27%   78.18%   +1.9%     
=========================================
  Files          20       20             
  Lines         274      275      +1     
  Branches       25       25             
=========================================
+ Hits          209      215      +6     
+ Misses         48       44      -4     
+ Partials       17       16      -1

Impacted Files	Coverage Δ
src/nav/components/form-nav.component.ts	85.71% <100%> (ø)
src/nav/directives/form-nav.directive.ts	88.88% <100%> (ø)
src/nav/services/form-nav.service.ts	100% <100%> (ø)
src/nav/nav-app.ts	100% <100%> (ø)	⬆️

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[KalleV]

🎉 This PR is included in version 2.5.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀