Nav bar reducer test

[tamari-gray]

part of #312

[coveralls]

Pull Request Test Coverage Report for Build 439593426

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 47.793%

---

Totals
Change from base Build 439568497:	0.0%
Covered Lines:	758
Relevant Lines:	1586

---

💛 - Coveralls