diff --git a/core/modules/rest/tests/src/Functional/EntityResource/Node/NodeResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/Node/NodeResourceTestBase.php
index aa1f608..94c748b 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/Node/NodeResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/Node/NodeResourceTestBase.php
@@ -194,6 +194,30 @@ protected function getNormalizedPostEntity() {
   }
 
   /**
+   * @return array
+   */
+  protected function getNormalizedPatchEntity() {
+    return [
+      'type' => [
+        [
+          'target_id' => 'camelids',
+        ],
+      ],
+      'title' => [
+        [
+          'value' => 'Dramallama',
+        ],
+      ],
+      'nid' => [
+        [
+          'value' => -1,
+        ],
+      ],
+    ];
+  }
+
+
+  /**
    * {@inheritdoc}
    */
   protected function getExpectedUnauthorizedAccessMessage($method) {