Tests: test for PageControl, workaround missing button paint in QT

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42690 4005530d-fff6-0310-9dd1-cebe43e6787f
remove -WC opt

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42691 4005530d-fff6-0310-9dd1-cebe43e6787f