Test changes for NetBSD

Do not use full path for true utility in testsuite. Its location
differ across systems (/bin/true on Linux and /usr/bin/true on BSD).

testsuite/expect/test11.8

@@ -117,8 +117,8 @@ set timeout [expr $max_job_delay + 60 + 60 + 60]
 exec $bin_rm -f $file_in
 set file [open $file_in "w"]
 puts $file "# multi-program configuration file
-1,3   /bin/true
-0,2   /bin/date
+1,3   true
+0,2   date
 "
 close $file
 exec $bin_chmod 700 $file_in

testsuite/expect/test6.12

@@ -71,9 +71,9 @@ file delete $file_out $file_err
 make_bash_script $file_in "
 $srun $bin_sleep 500 &
 
-trap /bin/true SIGINT
+trap true SIGINT
 
-while /bin/true; do
+while true; do
 	wait
 	if \[ \$? -ge 128 \]; then
 		echo \"INTerrupted wait, resuming\"

testsuite/expect/test8.21.bash

@@ -13,7 +13,7 @@ test_mode=$5
 delay_time=1
 while [ $delay_time -le 60 ]
 do
-	$srun -N1  --test-only --immediate /bin/true
+	$srun -N1  --test-only --immediate true
 	rc=$?
 	if [ $rc -eq 0 ]
 	then