There will now be a visual output in page if the qvisualoutput query
parameter is supplied. This simplifies debugging.
The main html resource has been renamed test_batch.html to reflect
the name of the actual test unit, not functionality.
Change-Id: Ib6cd4712de9c47cfcc5f670e7b34f998858f99b7
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>