diff --git a/core/modules/simpletest/src/Tests/BrokenSetUpTest.php b/core/modules/simpletest/src/Tests/BrokenSetUpTest.php
index 28fd31beb3..fab44d00c8 100644
--- a/core/modules/simpletest/src/Tests/BrokenSetUpTest.php
+++ b/core/modules/simpletest/src/Tests/BrokenSetUpTest.php
@@ -13,6 +13,8 @@
  * properly are skipped.
  *
  * @group WebTestBase
+ * @group legacy
+ *
  * @see \Drupal\simpletest\WebTestBase
  */
 class BrokenSetUpTest extends WebTestBase {
diff --git a/core/modules/simpletest/src/Tests/MissingCheckedRequirementsTest.php b/core/modules/simpletest/src/Tests/MissingCheckedRequirementsTest.php
index ae9d6f7291..4bf7c7b6cc 100644
--- a/core/modules/simpletest/src/Tests/MissingCheckedRequirementsTest.php
+++ b/core/modules/simpletest/src/Tests/MissingCheckedRequirementsTest.php
@@ -9,6 +9,7 @@
  *
  * @group simpletest
  * @group WebTestBase
+ * @group legacy
  */
 class MissingCheckedRequirementsTest extends WebTestBase {
 
diff --git a/core/modules/simpletest/src/Tests/SimpleTestTest.php b/core/modules/simpletest/src/Tests/SimpleTestTest.php
index c26fbdcbfe..ea10bcef71 100644
--- a/core/modules/simpletest/src/Tests/SimpleTestTest.php
+++ b/core/modules/simpletest/src/Tests/SimpleTestTest.php
@@ -14,6 +14,7 @@
  *
  * @group simpletest
  * @group WebTestBase
+ * @group legacy
  */
 class SimpleTestTest extends WebTestBase {
 
diff --git a/core/modules/simpletest/src/WebTestBase.php b/core/modules/simpletest/src/WebTestBase.php
index f7a7ebd647..3f0ab2ff13 100644
--- a/core/modules/simpletest/src/WebTestBase.php
+++ b/core/modules/simpletest/src/WebTestBase.php
@@ -706,7 +706,7 @@ protected function curlHeaderCallback($curlHandler, $header) {
         if (getenv('SYMFONY_DEPRECATIONS_HELPER') !== 'disabled') {
           $message = (string) $parameters[0];
           $test_info = TestDiscovery::getTestInfo(get_called_class());
-          if ($test_info['group'] !== 'legacy' && !in_array($message, DeprecationListenerTrait::getSkippedDeprecations())) {
+          if (!in_array('legacy', $test_info['groups']) && !in_array($message, DeprecationListenerTrait::getSkippedDeprecations())) {
             call_user_func_array([&$this, 'error'], $parameters);
           }
         }