The tests are installed to $libexecdir not $libdir/glib-2.0. By default these
are the same location but they can be changed independently.
(From OE-Core rev: 73d774fa7456842690af95206b77162d5f1bcb37)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>