/**
  * @covers WPSEO_Frontend::get_content_title
  */
 public function test_get_content_title()
 {
     // create and go to post
     $post_id = $this->factory->post->create();
     $this->go_to(get_permalink($post_id));
     $this->assertFalse(self::$class_instance->is_home_posts_page());
     // test title according to format
     $expected_title = self::$class_instance->get_title_from_options('title-post', get_queried_object());
     $this->assertEquals($expected_title, self::$class_instance->get_content_title());
     // test explicit post title
     $explicit_title = 'WPSEO Post Title %%sitename%%';
     WPSEO_Meta::set_value('title', $explicit_title, $post_id);
     $post = get_post($post_id);
     $expected_title = wpseo_replace_vars($explicit_title, $post);
     $this->assertEquals($expected_title, self::$class_instance->get_content_title());
 }