This test isn't SMP-safe and won't pass reliably on x86_64 by default
(though it does pass often enough to get CI passes on most things, it
fails spuriously in ways that aren't timing related). Turn off the
second CPU. Fixes#14501
Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
Add k_fifo kernel object usage scenario tests between thread
to thread and thread to ISR.
This test is inspired from test_fifo legacy test from
Zephyr v1.7.0 release.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>