diff --git a/core/modules/simpletest/src/Tests/UiPhpUnitOutputTest.php b/core/modules/simpletest/src/Tests/UiPhpUnitOutputTest.php
index 324bf1d..e032cef 100644
--- a/core/modules/simpletest/src/Tests/UiPhpUnitOutputTest.php
+++ b/core/modules/simpletest/src/Tests/UiPhpUnitOutputTest.php
@@ -35,9 +35,9 @@ public function testOutput() {
 
     // Check that there are <br> tags for the HTML output by
     // SimpletestUiPrinter.
-    $this->assertEqual($output[18], 'HTML output was generated<br />');
+    $this->assertEqual($output[19], 'HTML output was generated<br />');
     // Check that URLs are printed as HTML links.
-    $this->assertIdentical(strpos($output[19], '<a href="http'), 0);
+    $this->assertIdentical(strpos($output[20], '<a href="http'), 0);
   }
 
 }
diff --git a/core/modules/text/tests/src/Unit/Migrate/TextFieldTest.php b/core/modules/text/tests/src/Unit/Migrate/TextFieldTest.php
index d7dfcc6..fef7264 100644
--- a/core/modules/text/tests/src/Unit/Migrate/TextFieldTest.php
+++ b/core/modules/text/tests/src/Unit/Migrate/TextFieldTest.php
@@ -11,6 +11,7 @@
 /**
  * @coversDefaultClass \Drupal\text\Plugin\migrate\cckfield\TextField
  * @group text
+ * @group legacy
  */
 class TextFieldTest extends UnitTestCase {
 
diff --git a/core/tests/Drupal/Tests/Core/Assert/AssertLegacyTraitTest.php b/core/tests/Drupal/Tests/Core/Assert/AssertLegacyTraitTest.php
index d2d7b85..edd7b13 100644
--- a/core/tests/Drupal/Tests/Core/Assert/AssertLegacyTraitTest.php
+++ b/core/tests/Drupal/Tests/Core/Assert/AssertLegacyTraitTest.php
@@ -14,6 +14,7 @@
 /**
  * @coversDefaultClass \Drupal\FunctionalTests\AssertLegacyTrait
  * @group Assert
+ * @group legacy
  */
 class AssertLegacyTraitTest extends UnitTestCase {
 
diff --git a/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php b/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
index 7b426f2..a872e30 100644
--- a/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
+++ b/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
@@ -15,6 +15,7 @@
  * Tests the twig extension.
  *
  * @group Template
+ * @group legacy
  *
  * @coversDefaultClass \Drupal\Core\Template\TwigExtension
  */