diff --git a/src/Plugin/Field/FieldType/EntityReferenceHierarchy.php b/src/Plugin/Field/FieldType/EntityReferenceHierarchy.php
index 77a902884ef67b3ea98b79891b0142b45eba5e53..b03748fdafab3e6e5c4f64c86f592c811d1ff652 100644
--- a/src/Plugin/Field/FieldType/EntityReferenceHierarchy.php
+++ b/src/Plugin/Field/FieldType/EntityReferenceHierarchy.php
@@ -21,7 +21,7 @@ use PNX\NestedSet\NodeKey;
  *   id = "entity_reference_hierarchy",
  *   label = @Translation("Entity reference hierarchy"),
  *   description = @Translation("Entity parent reference with weight."),
- *   category = @Translation("Reference"),
+ *   category = "reference",
  *   default_widget = "entity_reference_hierarchy_autocomplete",
  *   default_formatter = "entity_reference_hierarchy_label",
  *   cardinality = 1,
diff --git a/tests/src/Functional/ManageDisplayTest.php b/tests/src/Functional/ManageDisplayTest.php
index 62f53c4597e1e98a1d2cfa7f9798f38fdea4f3c7..d1ec319f0a9337891b09b48a9f3bb8bb608a4a89 100644
--- a/tests/src/Functional/ManageDisplayTest.php
+++ b/tests/src/Functional/ManageDisplayTest.php
@@ -68,6 +68,12 @@ class ManageDisplayTest extends BrowserTestBase {
     $this->drupalGet(Url::fromRoute('entity.entity_view_display.entity_test.default', [
       'bundle' => 'entity_test',
     ]));
+    $this->assertSession()->statusCodeEquals(200);
+
+    $this->drupalGet(Url::fromRoute('field_ui.field_storage_config_add_entity_test', [
+      'bundle' => 'entity_test',
+    ]));
+    $this->assertSession()->statusCodeEquals(200);
   }
 
 }