diff --git a/core/modules/block/src/Tests/Update/BlockRemoveDisabledRegionUpdateTest.php b/core/modules/block/src/Tests/Update/BlockRemoveDisabledRegionUpdateTest.php
index 3ceee45..6f56975 100644
--- a/core/modules/block/src/Tests/Update/BlockRemoveDisabledRegionUpdateTest.php
+++ b/core/modules/block/src/Tests/Update/BlockRemoveDisabledRegionUpdateTest.php
@@ -31,6 +31,7 @@ class BlockRemoveDisabledRegionUpdateTest extends UpdatePathTestBase {
   protected function setDatabaseDumpFiles() {
     $this->databaseDumpFiles = [
       __DIR__ . '/../../../../system/tests/fixtures/update/drupal-8.bare.standard.php.gz',
+      __DIR__ . '/../../../../system/tests/fixtures/update/drupal-8.update-test-block-disabled-2513534.php',
     ];
   }
 
@@ -41,6 +42,9 @@ public function testUpdateHookN() {
     $this->runUpdates();
 
     // Verify that a block is in the default region.
+    $this->drupalGet('admin/structure/block');
+    $element = $this->xpath('//tr[contains(@class, :class)]', [':class' => 'region-title-header']);
+    $this->assertTrue(!empty($element));
     
   }
 
diff --git a/core/modules/system/tests/fixtures/update/block.block.testfor2513534.yml b/core/modules/system/tests/fixtures/update/block.block.testfor2513534.yml
new file mode 100644
index 0000000..2ee1401
--- /dev/null
+++ b/core/modules/system/tests/fixtures/update/block.block.testfor2513534.yml
@@ -0,0 +1,18 @@
+uuid: 87097da9-29d1-441f-8b00-b93852c760d6
+langcode: en
+status: false
+dependencies:
+  theme:
+    - bartik
+id: pagetitle
+theme: bartik
+region: '-1'
+weight: -8
+provider: null
+plugin: page_title_block
+settings:
+  id: page_title_block
+  label: 'Page title'
+  provider: core
+  label_display: '0'
+visibility: {  }
diff --git a/core/modules/system/tests/fixtures/update/drupal-8.update-test-block-disabled-2513534.php b/core/modules/system/tests/fixtures/update/drupal-8.update-test-block-disabled-2513534.php
new file mode 100644
index 0000000..057613b
--- /dev/null
+++ b/core/modules/system/tests/fixtures/update/drupal-8.update-test-block-disabled-2513534.php
@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @file
+ * Contains database additions to drupal-8.bare.standard.php.gz for testing the
+ * upgrade path of https://www.drupal.org/node/2513534.
+ */
+
+use Drupal\Core\Database\Database;
+
+$connection = Database::getConnection();
+
+// A disabled block.
+$block_configs[] = \Drupal\Component\Serialization\Yaml::decode(file_get_contents(__DIR__ . '/block.block.testfor2513534.yml'));
+
+// An block placed in a region.
+//$block_configs[] = \Drupal\Component\Serialization\Yaml::decode(file_get_contents(__DIR__ . '/block.block.secondtestfor2513534.yml'));
+
+foreach ($block_configs as $block_config) {
+  $connection->insert('config')
+    ->fields(array(
+      'collection',
+      'name',
+      'data',
+    ))
+    ->values(array(
+      'collection' => '',
+      'name' => 'block.block.' . $block_config['id'],
+      'data' => serialize($block_config),
+    ))
+    ->execute();
+}
+
+// Update the config entity query "index".
+$existing_blocks = $connection->select('key_value')
+  ->fields('key_value', ['value'])
+  ->condition('collection', 'config.entity.key_store.block')
+  ->condition('name', 'theme:bartik')
+  ->execute()
+  ->fetchField();
+$existing_blocks = unserialize($existing_blocks);
+
+$connection->update('key_value')
+  ->fields([
+    'value' => serialize(array_merge($existing_blocks, ['block.block.testfor2513534', /*'block.block.secondtestfor2513534'*/]))
+  ])
+  ->condition('collection', 'config.entity.key_store.block')
+  ->condition('name', 'theme:bartik')
+  ->execute();