Issue #1784226 by javier_, lucascaro: Fixed Taxonomy feed not working.

core/modules/taxonomy/lib/Drupal/taxonomy/Tests/RssTest.php

@@ -105,5 +105,9 @@ function testTaxonomyRss() {
       ),
     );
     $this->assertRaw(format_xml_elements(array($test_element)), 'Term is displayed when viewing the rss feed.');
+
+    // Test that the feed page exists for the term.
+    $this->drupalGet("taxonomy/term/{$term1->tid}/feed");
+    $this->assertRaw('<rss version="2.0"', "Feed page is RSS.");
   }
 }

core/modules/taxonomy/taxonomy.pages.inc

@@ -78,7 +78,7 @@ function taxonomy_term_feed(Term $term) {
   $channel['description'] = check_markup($term->description, $term->format, '', TRUE);
   $nids = taxonomy_select_nodes($term->tid, FALSE, config('system.rss')->get('items.limit'));
 
-  node_feed($nids, $channel);
+  return node_feed($nids, $channel);
 }
 
 /**