diff --git a/core/modules/system/tests/src/Kernel/Update/DbDumpTest.php b/core/tests/Drupal/KernelTests/Core/Command/DbDumpTest.php
similarity index 98%
rename from core/modules/system/tests/src/Kernel/Update/DbDumpTest.php
rename to core/tests/Drupal/KernelTests/Core/Command/DbDumpTest.php
index 66ca4fd..ce49171 100644
--- a/core/modules/system/tests/src/Kernel/Update/DbDumpTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Command/DbDumpTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\Update\DbDumpTest.
+ * Contains \Drupal\KernelTests\Core\Command\DbDumpTest.
  */
 
-namespace Drupal\Tests\system\Kernel\Update;
+namespace Drupal\KernelTests\Core\Command;
 
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Core\Command\DbDumpApplication;
diff --git a/core/modules/system/tests/src/Kernel/System/IgnoreReplicaSubscriberTest.php b/core/tests/Drupal/KernelTests/Core/EventSubscriber/IgnoreReplicaSubscriberTest.php
similarity index 92%
rename from core/modules/system/tests/src/Kernel/System/IgnoreReplicaSubscriberTest.php
rename to core/tests/Drupal/KernelTests/Core/EventSubscriber/IgnoreReplicaSubscriberTest.php
index a5c6f62..5cc35f0 100644
--- a/core/modules/system/tests/src/Kernel/System/IgnoreReplicaSubscriberTest.php
+++ b/core/tests/Drupal/KernelTests/Core/EventSubscriber/IgnoreReplicaSubscriberTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\System\IgnoreReplicaSubscriberTest.
+ * Contains \Drupal\KernelTests\Core\EventSubscriber\IgnoreReplicaSubscriberTest.
  */
 
-namespace Drupal\Tests\system\Kernel\System;
+namespace Drupal\KernelTests\Core\EventSubscriber;
 
 use Drupal\Core\Database\Database;
 use Drupal\Core\EventSubscriber\ReplicaDatabaseIgnoreSubscriber;
diff --git a/core/modules/system/tests/src/Kernel/System/SettingsRewriteTest.php b/core/tests/Drupal/KernelTests/Core/Site/SettingsRewriteTest.php
similarity index 97%
rename from core/modules/system/tests/src/Kernel/System/SettingsRewriteTest.php
rename to core/tests/Drupal/KernelTests/Core/Site/SettingsRewriteTest.php
index 5529a9f..f836e16 100644
--- a/core/modules/system/tests/src/Kernel/System/SettingsRewriteTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Site/SettingsRewriteTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\System\SettingsRewriteTest.
+ * Contains \Drupal\KernelTests\Core\Site\SettingsRewriteTest.
  */
 
-namespace Drupal\Tests\system\Kernel\System;
+namespace Drupal\KernelTests\Core\Site;
 
 use Drupal\Core\Site\Settings;
 use Drupal\KernelTests\KernelTestBase;
diff --git a/core/modules/system/tests/src/Kernel/Validation/AllowedValuesConstraintValidatorTest.php b/core/tests/Drupal/KernelTests/Core/TypedData/AllowedValuesConstraintValidatorTest.php
similarity index 93%
rename from core/modules/system/tests/src/Kernel/Validation/AllowedValuesConstraintValidatorTest.php
rename to core/tests/Drupal/KernelTests/Core/TypedData/AllowedValuesConstraintValidatorTest.php
index 293b68a..f36fef5 100644
--- a/core/modules/system/tests/src/Kernel/Validation/AllowedValuesConstraintValidatorTest.php
+++ b/core/tests/Drupal/KernelTests/Core/TypedData/AllowedValuesConstraintValidatorTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\Validation\AllowedValuesConstraintValidatorTest.
+ * Contains \Drupal\KernelTests\Core\TypedData\AllowedValuesConstraintValidatorTest.
  */
 
-namespace Drupal\Tests\system\Kernel\Validation;
+namespace Drupal\KernelTests\Core\TypedData;
 
 use Drupal\Core\TypedData\DataDefinition;
 use Drupal\KernelTests\KernelTestBase;
diff --git a/core/modules/system/tests/src/Kernel/Validation/ComplexDataConstraintValidatorTest.php b/core/tests/Drupal/KernelTests/Core/TypedData/ComplexDataConstraintValidatorTest.php
similarity index 95%
rename from core/modules/system/tests/src/Kernel/Validation/ComplexDataConstraintValidatorTest.php
rename to core/tests/Drupal/KernelTests/Core/TypedData/ComplexDataConstraintValidatorTest.php
index 9c5bd17..67eefe8 100644
--- a/core/modules/system/tests/src/Kernel/Validation/ComplexDataConstraintValidatorTest.php
+++ b/core/tests/Drupal/KernelTests/Core/TypedData/ComplexDataConstraintValidatorTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\Validation\ComplexDataConstraintValidatorTest.
+ * Contains \Drupal\KernelTests\Core\TypedData\ComplexDataConstraintValidatorTest.
  */
 
-namespace Drupal\Tests\system\Kernel\Validation;
+namespace Drupal\KernelTests\Core\TypedData;
 
 use Drupal\Core\TypedData\DataDefinition;
 use Drupal\Core\TypedData\MapDataDefinition;
diff --git a/core/modules/system/tests/src/Kernel/TypedData/TypedDataDefinitionTest.php b/core/tests/Drupal/KernelTests/Core/TypedData/TypedDataDefinitionTest.php
similarity index 97%
rename from core/modules/system/tests/src/Kernel/TypedData/TypedDataDefinitionTest.php
rename to core/tests/Drupal/KernelTests/Core/TypedData/TypedDataDefinitionTest.php
index 916391f..83b3474 100644
--- a/core/modules/system/tests/src/Kernel/TypedData/TypedDataDefinitionTest.php
+++ b/core/tests/Drupal/KernelTests/Core/TypedData/TypedDataDefinitionTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\TypedData\TypedDataDefinitionTest.
+ * Contains \Drupal\KernelTests\Core\TypedData\TypedDataDefinitionTest.
  */
 
-namespace Drupal\Tests\system\Kernel\TypedData;
+namespace Drupal\KernelTests\Core\TypedData;
 
 use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
 use Drupal\Core\TypedData\DataDefinition;
diff --git a/core/modules/system/tests/src/Kernel/TypedData/TypedDataTest.php b/core/tests/Drupal/KernelTests/Core/TypedData/TypedDataTest.php
similarity index 99%
rename from core/modules/system/tests/src/Kernel/TypedData/TypedDataTest.php
rename to core/tests/Drupal/KernelTests/Core/TypedData/TypedDataTest.php
index 93cf207..99ce7f9 100644
--- a/core/modules/system/tests/src/Kernel/TypedData/TypedDataTest.php
+++ b/core/tests/Drupal/KernelTests/Core/TypedData/TypedDataTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\TypedData\TypedDataTest.
+ * Contains \Drupal\KernelTests\Core\TypedData\TypedDataTest.
  */
 
-namespace Drupal\Tests\system\Kernel\TypedData;
+namespace Drupal\KernelTests\Core\TypedData;
 
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\TypedData\DataDefinition;
diff --git a/core/modules/system/tests/src/Kernel/Utility/LinkGenerationTest.php b/core/tests/Drupal/KernelTests/Core/Url/LinkGenerationTest.php
similarity index 95%
rename from core/modules/system/tests/src/Kernel/Utility/LinkGenerationTest.php
rename to core/tests/Drupal/KernelTests/Core/Url/LinkGenerationTest.php
index 6dac8ac..c494517 100644
--- a/core/modules/system/tests/src/Kernel/Utility/LinkGenerationTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Url/LinkGenerationTest.php
@@ -2,10 +2,10 @@
 
 /**
  * @file
- * Contains \Drupal\Tests\system\Kernel\Utility\LinkGenerationTest.
+ * Contains \Drupal\KernelTests\Core\Url\LinkGenerationTest.
  */
 
-namespace Drupal\Tests\system\Kernel\Utility;
+namespace Drupal\KernelTests\Core\Url;
 
 use Drupal\Component\Render\MarkupInterface;
 use Drupal\Core\Render\RenderContext;