Squish: Stabilize tst_default_settings on Mac

This also reverts 1605b788e6b1cecaf2b002004827d11781d261c1.

Change-Id: I45b1b856eb6bd0acba43a10866faf2a9726aaa54
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Debugger: Fix QObject property dumper for Qt4

Change-Id: I5aa28a3c1fb5847b758f5f1a27359cab3e38ff5c
Reviewed-by: Christian Stenger <christian.stenger@digia.com>