Use bash, so echo -n will do the right thing.

diff --git a/runtests.sh b/runtests.sh
index d5b1c3531c609745c48bce6f04b7c38b9e21ae94..93ef83303c9b6d06f8445705c3ecb1284b58d43e 100755 (executable)
--- a/runtests.sh
+++ b/runtests.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 HELP="Usage: ./runtests.py [-h] [-x] [flags] [tests]