From 3bbf0e32ce0b63d5fe27f03200646cab98fd1457 Mon Sep 17 00:00:00 2001
From: CJentzsch <jentzsch.software@gmail.com>
Date: Tue, 16 Jun 2015 11:35:03 +0200
Subject: [PATCH] add invalid PoW in uncle blockheader tests