testamf.c:
Improve code coverage by testing a few more APIs in the AMF.

BKrev: 41ab821fPmG01mXBZYuPJWKuOLHj5A


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@392 fd59a12c-fef9-0310-b244-a6a79926bd2f