These tests are already implicitly excluded by not being built.
This change avoids a confusing failure-but-not-really printed by
run-ptest.
(From OE-Core rev: f3e27d8e23df37fb06f77af1583021f471dede51)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>