Fixed test test-luna-service

GF-3392 : Please be sure all correct permissions is assigned for com.palm.mojlstest
+ fixed some small cases in logic

Open-webOS-DCO-1.0-Signed-off-by: Igor Kuksyuk <ikuksyuk@luxoft.com>

Change-Id: I55cba27515ef5d23ac4f15c8093f494079b8f385