Add and Modify jUnits for code coverage (model, admin)

Add tests to model after viewing sonarcloud coverage
Start adding tests for admin

Issue-ID: POLICY-2133
Change-Id: I690c612357fe3390c7904c6ba4c941dcefcc7640
Signed-off-by: Peyton Puckett <peyton.puckett@att.com>
3 files changed