diff -u b/core/modules/system/src/Tests/Database/DatabaseExceptionWrapperTest.php b/core/modules/system/src/Tests/Database/DatabaseExceptionWrapperTest.php
--- b/core/modules/system/src/Tests/Database/DatabaseExceptionWrapperTest.php
+++ b/core/modules/system/src/Tests/Database/DatabaseExceptionWrapperTest.php
@@ -16,7 +16,7 @@
  *
  * @group Database
  */
-class DatabaseExceptionWrapperTest extends UnitTestBase {
+class DatabaseExceptionWrapperTest extends KernelTestBase {
 
   public function testPreparedStatement() {
     $connection = Database::getConnection();