Test number of handle_invalid_pipeline calls
Test number of handle_invalid_pipeline calls

VisTrails/VisTrails,VisTrails/VisTrails,minesense/VisTrails,minesense/VisTrails,minesense/VisTrails,minesense/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,minesense/VisTrails