Add an XXX comment that this is broken. (The signature of

start_zeo_server() has changed dramatically.)

src/ZEO/tests/multi.py

@@ -12,6 +12,7 @@
 #
 ##############################################################################
 """A multi-client test of the ZEO storage server"""
+# XXX This code is currently broken.
 
 import ZODB, ZODB.DB, ZODB.FileStorage, ZODB.POSException
 import Persistence

src/ZEO/tests/stress.py

@@ -16,6 +16,8 @@
 The stress test should run in an infinite loop and should involve
 multiple connections.
 """
+# XXX This code is currently broken.
+
 from __future__ import nested_scopes
 
 import ZODB