check that test run by root or user user

bug 1649

testsuite/expect/test12.7

@@ -39,6 +39,12 @@ set file_in    "test$test_id\_sc"
 
 print_header $test_id
 
+if { [test_super_user] == 0 } {
+	send_user "WARNING: Test can only be run as SlurmUser\n"
+	exit $exit_code
+}
+
+
 proc mod_state { state } {
 
 	global scontrol node exit_code