Use actual deprecation as used for the other Five refactorings and move a test next to its new code

src/Products/Five/schema.py

 # BBB
 
-from Zope2.App.schema import Zope2VocabularyRegistry
+from zope.deferredimport import deprecated
+
+deprecated("Please import from Zope2.App.schema",
+    Zope2VocabularyRegistry = 'Zope2.App.schema:Zope2VocabularyRegistry',
+)

src/Products/Five/zcml.py

 # BBB
 
-from Zope2.App.zcml import _context
-from Zope2.App.zcml import _initialized
+from zope.deferredimport import deprecated
 
-from Zope2.App.zcml import load_site
-from Zope2.App.zcml import load_config
-from Zope2.App.zcml import load_string
-from Zope2.App.zcml import cleanUp
+deprecated("Please import from Zope2.App.zcml",
+    _context = 'Zope2.App.zcml:_context',
+    _initialized = 'Zope2.App.zcml:_initialized',
+    cleanUp = 'Zope2.App.zcml:cleanUp',
+    load_config = 'Zope2.App.zcml:load_config',
+    load_site = 'Zope2.App.zcml:load_site',
+    load_string = 'Zope2.App.zcml:load_string',
+)

src/Products/Five/tests/test_schema.py → src/Zope2/App/tests/test_schema.py

@@ -10,17 +10,15 @@
 # FOR A PARTICULAR PURPOSE.
 #
 ##############################################################################
-""" Unit tests for Products.Five.schema module.
 
-$Id: tests.py 71093 2006-11-07 13:54:29Z yuppie $
-"""
 import unittest
 from zope.testing.cleanup import CleanUp
 
+
 class Zope2VocabularyRegistryTests(unittest.TestCase, CleanUp):
 
     def _getTargetClass(self):
-        from Products.Five.schema import Zope2VocabularyRegistry
+        from ..schema import Zope2VocabularyRegistry
         return Zope2VocabularyRegistry
 
     def _makeOne(self):