diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockTest.php
index 773ad3a396..f03431bd69 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockTest.php
@@ -17,6 +17,13 @@ class InlineBlockTest extends InlineBlockTestBase {
    */
   protected $defaultTheme = 'classy';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'dblog',
+  ];
+
   /**
    * Tests adding and editing of inline blocks.
    */
@@ -380,11 +387,24 @@ public function testDeletion() {
     $this->assertCount(1, $this->blockStorage->loadMultiple());
     $default_block_id = $this->getLatestBlockEntityId();
 
+    // Create a third node.
+    $this->createNode([
+      'type' => 'bundle_with_section_field',
+      'title' => 'The node3 title',
+      'body' => [
+        [
+          'value' => 'The node3 body',
+        ],
+      ],
+    ]);
+
     // Ensure the block shows up on node pages.
     $this->drupalGet('node/1');
     $assert_session->pageTextContains('The DEFAULT block body');
     $this->drupalGet('node/2');
     $assert_session->pageTextContains('The DEFAULT block body');
+    $this->drupalGet('node/3');
+    $assert_session->pageTextContains('The DEFAULT block body');
 
     // Enable overrides.
     $this->drupalGet(static::FIELD_UI_PREFIX . '/display/default');
@@ -400,6 +420,10 @@ public function testDeletion() {
     $node_2_block_id = $this->getLatestBlockEntityId();
     $this->assertCount(3, $this->blockStorage->loadMultiple());
 
+    // Do not save the third layout, no additional block was created.
+    $this->drupalGet('node/3/layout');
+    $this->assertCount(3, $this->blockStorage->loadMultiple());
+
     $this->drupalGet(static::FIELD_UI_PREFIX . '/display/default');
     $this->clickLink('Manage layout');
     $assert_session->addressEquals(static::FIELD_UI_PREFIX . '/display/default/layout');
@@ -416,6 +440,19 @@ public function testDeletion() {
     $this->assertCount(2, $this->blockStorage->loadMultiple());
     $this->assertEmpty($usage->getUsage($default_block_id));
 
+    $this->drupalGet('node/3/layout');
+    $assert_session->pageTextNotContains('The DEFAULT block body');
+    $log = \Drupal::database()
+      ->select('watchdog', 'w')
+      ->fields('w', ['message', 'variables'])
+      ->orderBy('wid', 'DESC')
+      ->range(0, 1)
+      ->execute()
+      ->fetch();
+
+    $this->assertEquals('Unable to load inline block content entity with revision ID %vid.', $log->message);
+    $this->assertEquals($default_block_id, unserialize($log->variables)['%vid']);
+
     $this->drupalGet('node/1/layout');
     $assert_session->pageTextContains('The DEFAULT block body');
 
@@ -446,11 +483,14 @@ public function testDeletion() {
     $default_block2_id = $this->getLatestBlockEntityId();
     $this->assertCount(2, $this->blockStorage->loadMultiple());
 
-    // Delete the other node so bundle can be deleted.
+    // Delete the other nodes so the bundle can be deleted.
     $this->assertNotEmpty($usage->getUsage($node_2_block_id));
     $this->drupalGet('node/2/delete');
     $page->pressButton('Delete');
     $this->assertEmpty(Node::load(2));
+    $this->drupalGet('node/3/delete');
+    $page->pressButton('Delete');
+    $this->assertEmpty(Node::load(3));
     $cron->run();
     // Ensure entity block was deleted.
     $this->assertEmpty($this->blockStorage->load($node_2_block_id));