diff --git a/src/Tests/CollectWebTest.php b/src/Tests/CollectWebTest.php
index d171916..62f35dc 100644
--- a/src/Tests/CollectWebTest.php
+++ b/src/Tests/CollectWebTest.php
@@ -247,7 +247,6 @@ class CollectWebTest extends WebTestBase {
     $data = json_decode(Container::load($first_url_container_id)->getData(), TRUE);
     $this->assertEqual($data['request-headers']['Accept'][0], 'text/html');
 
-    /* @todo: Remove after https://www.drupal.org/node/2502483.
     // Test Fetch URL form with application/json header and assert JSON format.
     $this->fetchWebResource(200, 'application/json');
     $this->clickLink(t('here'));
@@ -286,7 +285,6 @@ class CollectWebTest extends WebTestBase {
     $this->drupalGet($url);
     $this->assertResponse(403);
     $this->drupalLogin($user);
-     */
 
     // Tests Fetch URL form with web resource content charset other than UTF-8.
     $url = \Drupal::url('collect.make_response', ['status_code' => 200], ['absolute' => TRUE]);
diff --git a/tests/modules/collect_test/src/TestResponseController.php b/tests/modules/collect_test/src/TestResponseController.php
index efc7165..51f9c43 100644
--- a/tests/modules/collect_test/src/TestResponseController.php
+++ b/tests/modules/collect_test/src/TestResponseController.php
@@ -23,6 +23,7 @@ class TestResponseController extends ControllerBase {
     if ($accept_header == 'application/json') {
       $content = '{"headers": {"status_code": ' . $status_code . '}}';
     }
+    debug($accept_header);
     return new Response($content, $status_code, ['Content-Type' => $accept_header]);
   }