diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
index a5cb361..691ebb2 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
@@ -224,6 +224,14 @@ public function patch(EntityInterface $original_entity, EntityInterface $entity
         if ($original_entity->get($field_name)->getValue() === $entity->get($field_name)->getValue()) {
           continue;
         }
+
+        if ($field_name === 'uid') {
+          file_put_contents('/var/www/outs.txt', print_r([
+            'orig' => $original_entity->get($field_name)->getValue(),
+            'entity' => $entity->get($field_name)->getValue(),
+          ],1));
+          exit();
+        }
         // It is not possible to set the language to NULL as it is automatically
         // re-initialized. As it must not be empty, skip it if it is.
         elseif (isset($entity_keys['langcode']) && $field_name === $entity_keys['langcode'] && $field->isEmpty()) {
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index cb11e2e..880dd32 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -274,7 +274,7 @@ protected function getExpectedCacheContexts() {
   /**
    * Test a GET request for an entity, plus edge cases to ensure good DX.
    */
-  public function testGet() {
+  public function xtestGet() {
     $this->initAuthentication();
     $has_canonical_url = $this->entity->hasLinkTemplate('canonical');
 
@@ -448,7 +448,7 @@ public function testGet() {
   /**
    * Tests a POST request for an entity, plus edge cases to ensure good DX.
    */
-  public function testPost() {
+  public function xtestPost() {
     // @todo Remove this in https://www.drupal.org/node/2300677.
     if ($this->entity instanceof ConfigEntityInterface) {
       $this->assertTrue(TRUE, 'POSTing config entities is not yet supported.');
@@ -848,7 +848,7 @@ public function testPatch() {
   /**
    * Tests a DELETE request for an entity, plus edge cases to ensure good DX.
    */
-  public function testDelete() {
+  public function xtestDelete() {
     // @todo Remove this in https://www.drupal.org/node/2300677.
     if ($this->entity instanceof ConfigEntityInterface) {
       $this->assertTrue(TRUE, 'DELETEing config entities is not yet supported.');