Increased test coverage for app and updated .gitignore

Change-Id: Ib8ad16a04682674c52d97fbe80ae7ccf62648b74
Increase test coverage to 100% in validators.py

Change-Id: Ic5ff4b9bb6ffc67589e6f62d492c25df08d69641
Merge "Increased test coverage for app and updated .gitignore"
Merge "Increase test coverage to 100% in validators.py"