[Daily Tests] wrt-commons-tests-dao fix

[Daily Tests] wrt-commons-tests-dao fix

[Issue] LINUXWRT-147
[Problem] wrt-commons-tests-dao tests do not pass in 100%
[Cause] N/A
[Solution]
Fixed wrt_dao_tests_prepare_db.sh script, especially lines
responsible for inserting data in the WidgetPreference table.
Changed property_dao_get_lists in file TestCase_PropertyDAO.cpp
Procedure is not sensitive for WidgetNotExist exception from now.
[Verification]
1. Build wrt-commons repository
2. Tests wrt-commons-test-dao on target.
All tests should pass in 100%.

Change-Id: Ifc3e799287b0d3e74efc8103d24ba867d96ddf94