diff --git a/core/modules/node/tests/src/Functional/NodeBlockFunctionalTest.php b/core/modules/node/tests/src/Functional/NodeBlockFunctionalTest.php
index 131a9ce910..cc4dc0ba94 100644
--- a/core/modules/node/tests/src/Functional/NodeBlockFunctionalTest.php
+++ b/core/modules/node/tests/src/Functional/NodeBlockFunctionalTest.php
@@ -50,6 +50,7 @@ protected function setUp(): void {
     $this->adminUser = $this->drupalCreateUser([
       'administer content types',
       'administer nodes',
+      'bypass node access',
       'administer blocks',
       'access content overview',
     ]);
@@ -184,6 +185,11 @@ public function testRecentNodeBlock() {
     $this->assertSame('HIT', $this->getSession()->getResponseHeader('X-Drupal-Dynamic-Cache'));
 
     $this->drupalLogin($this->adminUser);
+
+    // Assert that the preview page displays the block as well.
+    $this->drupalPostForm('node/' . $node1->id() . '/edit', [], t('Preview'));
+    $this->assertSession()->pageTextContains($label);
+
     $this->drupalGet('admin/structure/block');
     $this->assertText($label, 'Block was displayed on the admin/structure/block page.');
     $this->assertLinkByHref($block->toUrl()->toString());