diff --git a/core/modules/forum/src/Tests/ForumUninstallTest.php b/core/modules/forum/src/Tests/ForumUninstallTest.php
index 8eb1345..e51a850 100644
--- a/core/modules/forum/src/Tests/ForumUninstallTest.php
+++ b/core/modules/forum/src/Tests/ForumUninstallTest.php
@@ -24,7 +24,7 @@ class ForumUninstallTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('forum');
+  public static $modules = array('forum', 'field_ui');
 
   /**
    * Tests if forum module uninstallation properly deletes the field.
@@ -105,6 +105,10 @@ public function testForumUninstallWithField() {
     $field_storage = FieldStorageConfig::loadByName('node', 'taxonomy_forums');
     $this->assertNull($field_storage, 'The taxonomy_forums field storage has been deleted.');
 
+    // Go to admin/reports/fields to verify there are no PHP notices.
+    $this->drupalGet('admin/reports/fields');
+    $this->assertResponse(200);
+
     // Check that a node type with a machine name of forum can be created after
     // uninstalling the forum module and the node type is not locked.
     $edit = array(
@@ -112,13 +116,17 @@ public function testForumUninstallWithField() {
       'title_label' => 'title for forum',
       'type' => 'forum',
     );
-    $this->drupalPostForm('admin/structure/types/add', $edit, t('Save content type'));
+    $this->drupalPostForm('admin/structure/types/add', $edit, t('Save and manage fields'));
     $this->assertTrue((bool) NodeType::load('forum'), 'Node type with machine forum created.');
     $this->drupalGet('admin/structure/types/manage/forum');
     $this->clickLink(t('Delete'));
     $this->drupalPostForm(NULL, array(), t('Delete'));
     $this->assertResponse(200);
     $this->assertFalse((bool) NodeType::load('forum'), 'Node type with machine forum deleted.');
+
+    // Go to admin/reports/fields to verify there are no PHP notices.
+    $this->drupalGet('admin/reports/fields');
+    $this->assertResponse(200);
   }
 
   /**