def test_json_field_modify(self):
        json_obj_1 = {'a': 1, 'b': 2}
        json_obj_2 = {'a': 3, 'b': 4}

        obj = self.json_model.objects.create(json=json_obj_1)
        self.assertEqual(obj.json, json_obj_1)
        obj.json = json_obj_2

        self.assertEqual(obj.json, json_obj_2)
        obj.save()
        self.assertEqual(obj.json, json_obj_2)

        self.assertTrue(obj)
This test checks volumes snapshots pagination
dataset/ETHPy150Open bradjasper/django-jsonfield/jsonfield/tests.py/JSONFieldTest.test_json_field_modify--crossover with--dataset/ETHPy150Open openstack/horizon/openstack_dashboard/test/integration_tests/tests/test_volume_snapshots.py/TestVolumeSnapshotsBasic.test_volume_snapshots_pagination