Rather than just asserting that we can parse an empty enum,
let's also make sure we can compile it, by including it in
qapi-schema-test.
Signed-off-by: NEric Blake <eblake@redhat.com>
Message-Id: <1444710158-8723-5-git-send-email-eblake@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>