catch silly mistakes better

diff --git a/tests/runtests.pl b/tests/runtests.pl
index 586684482e26c49fca9831df2a08d5d91bb87750..402545a619a2545db5b5680d9c057ebacc199c06 100755 (executable)
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -1394,6 +1394,10 @@ sub singletest {
     }
     else {
         $CMDLINE="$LIBDIR/$tool";
+        if(! -f $CMDLINE) {
+            print "The tool set in the test case for this: '$tool' does not exist\n";
+            return -1;
+        }
         $DBGCURL=$CMDLINE;
     }