--- b/modules/cart/src/Form/AddToCartForm.php	(date 1701791173011)
+++ b/modules/cart/src/Form/AddToCartForm.php	(date 1701797111222)
@@ -200,7 +200,7 @@
   protected function actions(array $form, FormStateInterface $form_state) {
     $actions['submit'] = [
       '#type' => 'submit',
-      '#value' => $this->getDestination($form_state) === 'checkout' ? $this->t('Checkout') :$this->t('Add to cart'),
+      '#value' => $this->getDestination($form_state) === 'checkout' ? $this->t('Checkout') : $this->t('Add to cart'),
       '#submit' => ['::submitForm'],
       '#attributes' => [
         'class' => ['button--add-to-cart'],
--- a/modules/product/tests/src/FunctionalJavascript/ProductLayoutBuilderIntegrationTest.php	(revision 8ea8a7ecfcffcd4da5998763302f76746078013b)
+++ b/modules/product/tests/src/FunctionalJavascript/ProductLayoutBuilderIntegrationTest.php	(date 1701797107377)
@@ -290,6 +290,7 @@
     $save_layout = $this->getSession()->getPage()->findButton('Save layout');
     $save_layout->focus();
     $save_layout->click();
+    $this->assertSession()->waitForElementVisible('css', '.messages-list__wrapper');
     $this->assertSession()->pageTextContains('The layout has been saved.');
   }