Since it's a slot with the same name as an existing one, this test also
verifies that QDBusConnection::connect() can properly distinguish
between overloads.
This test moves the receiver out of the main class, just to be sure that
we don't leave connections behind when tests are run (like
slotsWithLessParameters did).
Change-Id: I87e17314d8b24ae983b1fffd1453ad81952c49aa
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>