This revision introduces //atf-c(3)// tests for many unrelated administrative system calls.
Note: Most the syscalls are too critical to be tested in success mode.
List of Syscalls:
* ntp_adjtime(2)
* auditctl(2)
* acct(2)
// Only in failure mode
* reboot(2)
* acct(2)
* quotactl(2)
* mount(2)
* nmount(2)