def test_update(self):
o1 = Object()
o1._bla = "mekker"
o2 = Object()
o2._bla = "blaet"
o1.update(o2)
self.assertEqual(o1._bla, "blaet")
def test_undersopzet(self):
o = Object()
o._bla = "mekker"
self.assertEqual(o._bla, "mekker")