bitcoin.utils: Add the rest of testcase with valid hashes
bitcoin.utils: Add the rest of testcase with valid hashes

studio666/gratipay.com,mccolgst/www.gittip.com,mccolgst/www.gittip.com,eXcomm/gratipay.com,eXcomm/gratipay.com,gratipay/gratipay.com,eXcomm/gratipay.com,gratipay/gratipay.com,gratipay/gratipay.com,studio666/gratipay.com,eXcomm/gratipay.com,studio666/gratipay.com,studio666/gratipay.com,mccolgst/www.gittip.com,gratipay/gratipay.com,mccolgst/www.gittip.com