function testGetImage()
 {
     $post_id = $this->factory->post->create(array('post_title' => 'St. Louis History'));
     $filename = TestTimberImage::copyTestImage('arch.jpg');
     $attachment = array('post_title' => 'The Arch', 'post_content' => '');
     $iid = wp_insert_attachment($attachment, $filename, $post_id);
     update_post_meta($post_id, 'landmark', $iid);
     $post = new TimberPost($post_id);
     $image = $post->get_image('landmark');
     $this->assertEquals('The Arch', $image->title());
 }