Ensure stereo elements assertions are in the correct order.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Silent objects do not notify on these methods and the tests need to be overridden.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Fixing test errors (atom indices were wrong).

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Wrong order of parameters.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Wrong parameter set.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>