.../src/Functional/EntityResource/EntityResourceTestBase.php      | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 94ca8f5..aacc151 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -1305,14 +1305,14 @@ protected function getEntityResourcePostUrl() {
    *
    * @param array $normalization
    *   An entity normalization.
-   * @param string $field_name
-   *   The field name whose normalization to make invalid.
+   * @param string $entity_key
+   *   The entity key whose normalization to make invalid.
    *
    * @return array
    *   The updated entity normalization, now invalid.
    */
-  protected function makeNormalizationInvalid(array $normalization, $field_name) {
-    switch ($field_name) {
+  protected function makeNormalizationInvalid(array $normalization, $entity_key) {
+    switch ($entity_key) {
       case 'label':
         // Add a second label to this entity to make it invalid.
         $label_field = $this->entity->getEntityType()->hasKey('label') ? $this->entity->getEntityType()->getKey('label') : static::$labelFieldName;