@mock.patch('airflow.providers.google.cloud.hooks.bigquery.BigQueryHook.get_client')
def test_bigquery_table_exists_false(self, mock_client):
    mock_client.return_value.get_table.side_effect = NotFound('Dataset not found')
    result = self.hook.table_exists(project_id=PROJECT_ID, dataset_id=DATASET_ID, table_id=TABLE_ID)
    mock_client.return_value.get_table.assert_called_once_with(TABLE_REFERENCE)
    mock_client.assert_called_once_with(project_id=PROJECT_ID)
    assert (result is False)
@mock.patch('airflow.providers.google.cloud.hooks.bigquery.BigQueryHook.get_client')
def test_bigquery_table_exists_false(self, mock_client):
    mock_client.return_value.get_table.side_effect = NotFound('Dataset not found')
    result = self.hook.table_exists(project_id=PROJECT_ID, dataset_id=DATASET_ID, table_id=TABLE_ID)
    mock_client.return_value.get_table.assert_called_once_with(TABLE_REFERENCE)
    mock_client.assert_called_once_with(project_id=PROJECT_ID)
    assert (result is False)