Adds unit test for task: 180617 Tests to see if QSqlQueryModel inserts extra empty gridlines into a view for a specific SQL query statement that should return no data.
Adds unit test for task: 180617
Tests to see if QSqlQueryModel inserts extra empty gridlines into a view
for a specific SQL query statement that should return no data.

RLovelett/qt,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,RLovelett/qt,pruiz/wkhtmltopdf-qt,radekp/qt,radekp/qt,KDE/qt,radekp/qt,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,KDE/qt,igor-sfdc/qt-wk,RLovelett/qt,radekp/qt,KDE/qt,igor-sfdc/qt-wk,radekp/qt,radekp/qt,RLovelett/qt,KDE/qt,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,radekp/qt,radekp/qt,pruiz/wkhtmltopdf-qt,KDE/qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,pruiz/wkhtmltopdf-qt,KDE/qt,radekp/qt,radekp/qt,igor-sfdc/qt-wk,pruiz/wkhtmltopdf-qt,igor-sfdc/qt-wk,igor-sfdc/qt-wk,igor-sfdc/qt-wk,RLovelett/qt,pruiz/wkhtmltopdf-qt,RLovelett/qt,RLovelett/qt,pruiz/wkhtmltopdf-qt,RLovelett/qt,KDE/qt,RLovelett/qt,KDE/qt,RLovelett/qt,RLovelett/qt