.../tests/src/Functional/EntityResource/File/FileResourceTestBase.php    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
index c63853e..1fa5a38 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/File/FileResourceTestBase.php
@@ -154,6 +154,7 @@ protected function getExpectedNormalizedEntity() {
       ],
       'uri' => [
         [
+          'url' => base_path() . $this->siteDirectory . '/files/drupal.txt',
           'value' => 'public://drupal.txt',
         ],
       ],