#219: Context.locals_() does not update the returned Context's `kwargs` attribute

classContextTest(unittest.TestCase):deftest_locals_kwargs(self):
    c = Context(None, foo='bar')self.assertEqual(c.kwargs,{'foo':'bar'})
    d = c.locals_({'zig':'zag'})self.assertEqual(c.kwargs,{'foo':'bar'})self.assertEqual(d.kwargs,{'foo':'bar','zig':'zag'})