diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 992f60e..f108b6b 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -301,7 +301,7 @@ public function testGet() {
     // response because ?_format query string is present.
     $response = $this->request('GET', $url, $request_options);
     if ($has_canonical_url) {
-      $this->assertResourceErrorResponse(403, "You are not authorized to view this {$this->entity->getEntityTypeId()} entity of bundle {$this->entity->bundle()}.", $response);
+      $this->assertResourceErrorResponse(403, '', $response);
     }
     else {
       $this->assertResourceErrorResponse(404, 'No route found for "GET ' . str_replace($this->baseUrl, '', $this->getUrl()->setAbsolute()->toString()) . '"', $response);
@@ -340,9 +340,7 @@ public function testGet() {
 
     // DX: 403 when unauthorized.
     $response = $this->request('GET', $url, $request_options);
-    // In case we have a BC layer, permissions are used, which don't have a good
-    // error message.
-    $this->assertResourceErrorResponse(403, '', $response);
+    $this->assertResourceErrorResponse(403, "You are not authorized to view this {$this->entity->getEntityTypeId()} entity of bundle {$this->entity->bundle()}.", $response);
 
 
     $this->setUpAuthorization('GET');