combine test directories

This fixes #295.

sh/Makefile

@@ -31,4 +31,3 @@ _installafter:
 	ln -snf ${LIBEXECDIR}/sh/functions.sh ${DESTDIR}/${INITDIR} || exit $$?
 
 check test::
-	./runtests.sh

sh/runtests.sh

@@ -1,34 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2008-2015 The OpenRC Authors.
-# See the Authors file at the top-level directory of this distribution and
-# https://github.com/OpenRC/openrc/blob/master/AUTHORS
-#
-# This file is part of OpenRC. It is subject to the license terms in
-# the LICENSE file found in the top-level directory of this
-# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
-# This file may not be copied, modified, propagated, or distributed
-#    except according to the terms contained in the LICENSE file.
-
-: ${top_srcdir:=..}
-. $top_srcdir/test/setup_env.sh
-
-ret=0
-
-tret=0
-ebegin "Testing yesno()"
-for f in yes YES Yes true TRUE True 1 ; do
-	if ! yesno $f; then
-		: $(( tret += 1 ))
-		echo "!$f!"
-	fi
-done
-for f in no NO No false FALSE False 0 ; do
-	if yesno $f; then
-		: $(( tret += 1 ))
-		echo "!$f!"
-	fi
-done
-eend $tret
-: $(( ret += $tret ))
-
-exit $ret