diff --git a/tests/src/Functional/DeveloperAppUITest.php b/tests/src/Functional/DeveloperAppUITest.php
index 7bba4b75..f9aea228 100644
--- a/tests/src/Functional/DeveloperAppUITest.php
+++ b/tests/src/Functional/DeveloperAppUITest.php
@@ -549,10 +549,7 @@ public function testCallbackUrlValidationServerSide() {
     $this->drupalGet($app_edit_url);
     $this->submitForm([], 'Save');
     // The assertion of which checks for text "The URL urlname is not valid" is now removed as the field type is changed to string and for string it is not valid.
-    $this->drupalGet($app_edit_url);
-    $this->submitForm([
-      'callbackUrl[0][value]' => 'http://example.com'
-    ], 'Save');
+    $this->assertSession()->pageTextContains("Callback URL field is not in the right format.");
     $this->drupalGet($app_edit_url);
     $this->submitForm([
       'callbackUrl[0][value]' => 'https://example.com'