Re-enable sidecar unit tests

After recent commits, sidecar unit tests had been disabled. These
changes re-enable them and allow them to complete successfully.

After review comments removed the dependency on Mockito and added
a comment on the Surefire plugin configuration.

Change-Id: I301b524e06460480e37d180a3fc9977588e87892
Issue-ID: AAF-642
Signed-off-by: IanB <IanB@amdocs.com>
5 files changed