Adapt tests

With PLIP 1343 being merged some tests need to be adapted.

Now the catalog no longer processes indexing operations right away.

Some tests rely on that, so a minimal adaptation was needed.

References:
plone/Products.CMFPlone#1343

src/plone/app/multilingual/testing.py

@@ -30,6 +30,8 @@
 from zope.interface import alsoProvides
 from zope.interface import noLongerProvides
 from zope.lifecycleevent import ObjectModifiedEvent
+from Products.CMFCore.indexing import processQueue
+
 import plone.app.dexterity
 import plone.app.multilingual
 try:
@@ -98,6 +100,7 @@ def setUp(self):
             # Setup language root folders
             setupTool = SetupMultilingualSite()
             setupTool.setupSite(portal)
+            processQueue()
 
 MULTIPLE_LANGUAGES_LAYER = MultipleLanguagesLayer()