added remove() coverage....

test/orm/session.py

@@ -486,10 +486,11 @@ class ScopedSessionTest(ORMTest):
         s.options.append(sso)
         Session.save(s)
         Session.commit()
-        Session.clear()
+        Session.remove()
         
         assert SomeObject(id=1, data="hello", options=[SomeOtherObject(someid=1)]) == Session.query(SomeObject).one()
         
+        
 class ScopedMapperTest(PersistTest):
     def setUpAll(self):
         global metadata, table, table2