'Check that we can create an inherits on 3 levels'

def test_create_3_levels_inherits(self):

    pallet = self.env['test.pallet'].create({'name': 'B', 'field_in_box': 'box', 'field_in_pallet': 'pallet'})
    self.assertTrue(pallet)
    self.assertEqual(pallet.name, 'B')
    self.assertEqual(pallet.field_in_box, 'box')
    self.assertEqual(pallet.field_in_pallet, 'pallet')
