diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockInstanceTest.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockInstanceTest.php
index ea78e2f..191e3da 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockInstanceTest.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockInstanceTest.php
@@ -24,7 +24,7 @@ class CustomBlockInstanceTest extends CustomBlockTestBase {
    */
   public static function getInfo() {
     return array(
-      'name' => 'Custom Block Instances',
+      'name' => 'Custom Block instances',
       'description' => 'Create a block and test placing the block twice (creating two instances).',
       'group' => 'Custom Block',
     );
@@ -42,8 +42,8 @@ public function testPlaceBlockTwice() {
     $block2 = $this->drupalPlaceBlock('custom_block:' . $custom_block->uuid());
 
     $this->drupalGet('<front>');
-    $this->assertText(t($block1->label()), 'Block 1 found on home.');
-    $this->assertText(t($block2->label()), 'Block 2 found on home.');
+    $this->assertBlockAppears($block1);
+    $this->assertBlockAppears($block2);
 
     // Make sure the same custom block entity is displayed in both blocks by
     // checking the body field.
diff --git a/core/modules/block/lib/Drupal/block/Tests/BlockTest.php b/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
index badd8c3..3144935 100644
--- a/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
+++ b/core/modules/block/lib/Drupal/block/Tests/BlockTest.php
@@ -294,8 +294,8 @@ function testPlaceBlockTwice() {
     $block2 = $this->drupalPlaceBlock($plugin_id);
 
     $this->drupalGet('node');
-    $this->assertText(t($block1->label()), 'Block 1 found on home.');
-    $this->assertText(t($block2->label()), 'Block 2 found on home.');
+    $this->assertBlockAppears($block1);
+    $this->assertBlockAppears($block2);
   }
 
   /**
@@ -336,8 +336,8 @@ function testPlaceMenuBlockTwice() {
     $block2 = $this->drupalPlaceBlock($plugin_id);
 
     $this->drupalGet('node');
-    $this->assertText(t($block1->label()), 'Block 1 found on home.');
-    $this->assertText(t($block2->label()), 'Block 2 found on home.');
+    $this->assertBlockAppears($block1);
+    $this->assertBlockAppears($block2);
   }
 
 }