Move Zope2 tests at the end, they tend to leave the process in an unclean...

Move Zope2 tests at the end, they tend to leave the process in an unclean state and cause reference couunting / garbage collection timing issues in AccessControl tests

buildout.cfg

@@ -48,7 +48,6 @@ scripts = zopepy
 [alltests]
 recipe = zc.recipe.testrunner
 eggs =
-    Zope2
     AccessControl
     Acquisition
     DateTime
@@ -61,6 +60,7 @@ eggs =
     Products.ZCatalog
     Products.ZCTextIndex
     Record
+    Zope2
 # RestrictedPython has an optional dependency on DateTime, make sure to run its
 # tests with DateTime being available
     RestrictedPython