support truncated hashes longer that 7

(cherry picked from commit 5b291f61)

bin/tests/system/builtin/tests.sh

@@ -56,7 +56,7 @@ n=`expr $n + 1`
 ret=0
 echo "I:Checking that custom version works for rndc ($n)"
 $RNDC -c ../common/rndc.conf -s 10.53.0.3 -p 9953 status > rndc.status.ns3.$n 2>&1
-grep "^version: BIND $VERSION ${DESCRIPTION}${DESCRIPTION:+ }<id:.......> (this is a test of version)" rndc.status.ns3.$n > /dev/null || ret=1
+grep "^version: BIND $VERSION ${DESCRIPTION}${DESCRIPTION:+ }<id:........*> (this is a test of version)" rndc.status.ns3.$n > /dev/null || ret=1
 if [ $ret != 0 ] ; then echo I:failed; status=`expr $status + $ret`; fi
 
 n=`expr $n + 1`