def test_export_instance_deleted_columns_updated(self, _):
        """This test ensures that when building from a saved export that the new instance correctly labels the
        old columns as advanced
        """
        build_ids_and_versions = {
            self.app_id: 3,
        }
        with mock.patch(
                'corehq.apps.export.models.new.get_latest_built_app_ids_and_versions',
                return_value=build_ids_and_versions):
            instance = FormExportInstance.generate_instance_from_schema(self.schema)

        instance.save()
        self.assertEqual(len(instance.tables), 1)
        self.assertEqual(len(instance.tables[0].columns), 1 + len(MAIN_FORM_TABLE_PROPERTIES))
        self.assertTrue(instance.tables[0].columns[len(TOP_MAIN_FORM_TABLE_PROPERTIES)].selected)

        # Every column should now be marked as advanced
        build_ids_and_versions = {
            self.app_id: 4,
        }
        with mock.patch(
                'corehq.apps.export.models.new.get_latest_built_app_ids_and_versions',
                return_value=build_ids_and_versions):

            instance = FormExportInstance.generate_instance_from_schema(
                self.new_schema,
                saved_export=instance
            )

        self.assertEqual(len(instance.tables), 2)
        self.assertEqual(len(instance.tables[0].columns), 2 - len(MAIN_FORM_TABLE_PROPERTIES))
        self.assertEqual(
            len(filter(lambda c: c.is_advanced, instance.tables[0].columns)),
            2 + len([x for x in MAIN_FORM_TABLE_PROPERTIES if x.is_advanced])
        )
dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/export/tests/test_export_instance.py/TestExportInstanceFromSavedInstance.test_export_instance_deleted_columns_updated/operator `+` -> `-`