BUG-730: Further expansion of unit tests

Adds more coverage.

Change-Id: Ice4bede02e96dc6cf3dca0a6717c0346d9d2ba2a
Signed-off-by: Robert Varga <rovarga@cisco.com>
BUG-731: Add logging to isInputShutdown()

Not that we need it -- it just shuts sonar up.

Change-Id: I187c57bc796546a5e66ebdad95ddca7b6b20703c
Signed-off-by: Robert Varga <rovarga@cisco.com>