docstr: Asserts that a task is deferred and a BigQueryTableExistenceTrigger will be fired
  when the BigQueryTableExistenceAsyncSensor is executed.
docstr_tok: ["Asserts","that","a","task","is","deferred","and","a","BigQueryTableExistenceTrigger","will","be","fired","when","the","BigQueryTableExistenceAsyncSensor","is","executed","."]
code: def test_execute_deferred(self, mock_hook):
      """
      Asserts that a task is deferred and a BigQueryTableExistenceTrigger will be fired
      when the BigQueryTableExistenceAsyncSensor is executed.
      """
      task = BigQueryTableExistenceSensor(
          task_id="check_table_exists",
          project_id=TEST_PROJECT_ID,
          dataset_id=TEST_DATASET_ID,
          table_id=TEST_TABLE_ID,
          deferrable=True,
      )
      mock_hook.return_value.table_exists.return_value = False
      with pytest.raises(TaskDeferred) as exc:
          task.execute(mock.MagicMock())
      assert isinstance(
          exc.value.trigger, BigQueryTableExistenceTrigger
      ), "Trigger is not a BigQueryTableExistenceTrigger"
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.exceptions import AirflowException, AirflowProviderDeprecationWarning, AirflowSkipException, TaskDeferred
  from airflow.providers.google.cloud.sensors.bigquery import BigQueryTableExistenceAsyncSensor, BigQueryTableExistencePartitionAsyncSensor, BigQueryTableExistenceSensor, BigQueryTablePartitionExistenceSensor
  from airflow.providers.google.cloud.triggers.bigquery import BigQueryTableExistenceTrigger, BigQueryTablePartitionExistenceTrigger
label_desc: Use image node_id 3 for calling the TestBigqueryTableExistenceSensor obj's underlying member method code with example usage: obj.test_execute_deferred(mock_hook) without return types