Fix test script

testsuite/expect/test1.55

@@ -52,12 +52,12 @@ for ((i = 0; i < 100; i++)); do
   cat /etc/hosts
 done"
 close $file
-
+exec $bin_chmod 700 $test_script
 
 #
 # Launch the test script
 #
-set srun_pid [spawn $srun -u -v -n1 waiter.py]
+set srun_pid [spawn $srun -u -v -n1 $test_script]
 
 set timeout 30
 expect {