openposix/.../aio_error/3-1: Fix.

The same as previous, the test tests for optional behavior and returns
UNRESOLVED, which is wrong. Fix it by returning UNTESTED.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
open_posix_testsuite/.../aio_return: Fix.

Return UNTESTED instead of UNRESOLVED when aio_return() didn't failed as
the tested behavior is optional.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
openposix/.../sched_getparam/6-1: Fix.

Return UNTESTED for failed optional behavior.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
openposix/.../sched_getscheduler/7-1: Fix.

Return UNTESTED for failed optional behavior.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
Merge ../ltp-dev