Added basic tests for MImSettingsQSettingsBackend.
Added basic tests for MImSettingsQSettingsBackend.

RevBy: Jon Nordby, Michael Hasselmann

Full, original commit at 9ec90a23c04df58bc9f5aa8e7f59a2f912f5ec95 in maliit-framework

maliit/inputcontext-qt4,perencia/inputcontext-qt4,maliit/inputcontext-qt4