Index: tests/shtest
--- tests/shtest.orig
+++ tests/shtest
@@ -1,4 +1,4 @@
-#!/bin/sh -x
+#!/usr/local/bin/bash -x
 
 . "${0%/*}/setup" "$@"
 
@@ -613,6 +613,7 @@ done
 test_no_color=true
 $msys  && test_no_color=false
 $mingw && test_no_color=false
+[ "$(uname -s)" = OpenBSD ] && test_no_color=false
 if $test_no_color && command -v script >/dev/null 2>&1; then
   if script -qc echo /dev/null >/dev/null 2>&1; then
     faketty() { script -qec "$*" /dev/null; }
