--- a/config/test-driver
+++ b/config/test-driver
@@ -104,7 +104,7 @@
 trap "st=143; $do_exit" 15
 
 # Test script is run here.
-"$@" >$log_file 2>&1
+: "$@" >$log_file 2>&1
 estatus=$?
 if test $enable_hard_errors = no && test $estatus -eq 99; then
   estatus=1