tests: Fix reliability issues in POSIX ACL tests

The ACL tests use UIDs and GIDs 41 through 49 and expect them to be
unassigned.  Since GID 43 is now assigned to the audio group, some
tests have begun to fail.

While here, also fix a benign Perl syntax issue in the test runner.

MFC after:	1 week
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D57297

tests/sys/acl/run

@@ -105,7 +105,7 @@ if (isatty(fileno(STDOUT))) {
 	}
 }
 print $status, "\n";
-exit $failed ? 1 : 0;
+exit($failed ? 1 : 0);
 
 
 sub process_test($$$$) {

tests/sys/acl/tools-posix.test

@@ -80,7 +80,7 @@ $ getfacl -qh lll
 > group::r-x
 > other::r-x
 
-$ getfacl -q lll
+$ getfacl -nq lll
 > user::rw-
 > user:42:r--
 > group::r--
@@ -89,7 +89,7 @@ $ getfacl -q lll
 > other::r--
 
 $ setfacl -hm u:44:x,g:45:w lll
-$ getfacl -h lll
+$ getfacl -hn lll
 > # file: lll
 > # owner: root
 > # group: wheel
@@ -111,7 +111,7 @@ $ rm lll
 
 # Test removing entries.
 $ setfacl -x user:42: xxx
-$ getfacl xxx
+$ getfacl -n xxx
 > # file: xxx
 > # owner: root
 > # group: wheel
@@ -369,7 +369,7 @@ $ rm ddd/xxx
 
 $ setfacl -dm u::rwx,g::rx,o::rx,mask::rwx ddd
 $ setfacl -dm g:42:rwx,u:43:r ddd
-$ getfacl -dq ddd
+$ getfacl -dnq ddd
 > user::rwx
 > user:43:r--
 > group::r-x
@@ -378,7 +378,7 @@ $ getfacl -dq ddd
 > other::r-x
 
 $ touch ddd/xxx
-$ getfacl -q ddd/xxx
+$ getfacl -nq ddd/xxx
 > user::rw-
 > user:43:r--
 > group::r-x		# effective: r--
@@ -387,7 +387,7 @@ $ getfacl -q ddd/xxx
 > other::r--
 
 $ mkdir ddd/ddd
-$ getfacl -q ddd/ddd
+$ getfacl -nq ddd/ddd
 > user::rwx
 > user:43:r--
 > group::r-x
@@ -405,7 +405,7 @@ $ ls -l fff | cut -d' ' -f1
 > prw-r--r--
 
 $ setfacl -m u:42:r,g:43:w fff
-$ getfacl fff
+$ getfacl -n fff
 > # file: fff
 > # owner: root
 > # group: wheel