Added back the second test condition, otherwise the test wasn't failing on...

Added back the second test condition, otherwise the test wasn't failing on some platforms without the actual code change

src/ZODB/tests/testConnection.py

@@ -680,6 +680,8 @@ class EstimatedSizeTests(ZODB.tests.util.TestCase):
         transaction.savepoint()
         # make sure there was no overflow
         self.assert_(cache.total_estimated_size != 0)
+        # the size is not larger than the allowed maximum
+        self.assert_(cache.total_estimated_size <= 1000)
 
 # ---- stubs