function test_ajax_insert_auto_draft_post_success() {
    $_POST                = wp_slash(
      array(
        'customize-menus-nonce' => wp_create_nonce( 'customize-menus' ),
        'params'                => array(
          'post_type'  => 'post',
          'post_title' => 'Hello World',
        ),
      )
    );
    $this->_last_response = '';
    $this->make_ajax_call( 'customize-nav-menus-insert-auto-draft' );
    $response = json_decode( $this->_last_response, true );

    $this->assertTrue( $response['success'] );
    $this->assertArrayHasKey( 'post_id', $response['data'] );
    $this->assertArrayHasKey( 'url', $response['data'] );
    $post = get_post( $response['data']['post_id'] );
    $this->assertEquals( 'Hello World', $post->post_title );
    $this->assertEquals( 'post', $post->post_type );
    $this->assertEquals( '', $post->post_name );
    $this->assertEquals( 'hello-world', get_post_meta( $post->ID, '_customize_draft_post_name', true ) );
    $this->assertEquals( $this->wp_customize->changeset_uuid(), get_post_meta( $post->ID, '_customize_changeset_uuid', true ) );
  }