diff --git a/core/modules/user/tests/src/Functional/UidUpdateToSerialTest.php b/core/modules/user/tests/src/Functional/UidUpdateToSerialTest.php
index ac42e4f7bd..0923317e66 100644
--- a/core/modules/user/tests/src/Functional/UidUpdateToSerialTest.php
+++ b/core/modules/user/tests/src/Functional/UidUpdateToSerialTest.php
@@ -6,6 +6,8 @@
 
 /**
  * Tests user_update_9001().
+ *
+ * @group user
  */
 class UidUpdateToSerialTest extends UpdatePathTestBase {
 
diff --git a/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php b/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
index 0b163a2405..827e59aa5c 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
@@ -709,7 +709,6 @@ protected function assertFieldAdditionRemoval($field_spec) {
     for ($i = 0; $i < 3; $i++) {
       $this->connection
         ->insert($table_name)
-        ->useDefaults(['serial_column'])
         ->fields(['test_nullable_field' => 100])
         ->execute();
     }
@@ -717,7 +716,7 @@ protected function assertFieldAdditionRemoval($field_spec) {
     // Add another row with no value for the 'test_nullable_field' column.
     $this->connection
       ->insert($table_name)
-      ->useDefaults(['serial_column'])
+      ->fields(['serial_column' => NULL])
       ->execute();
 
     $this->schema->addField($table_name, 'test_field', $field_spec);
@@ -782,7 +781,7 @@ protected function assertFieldCharacteristics($table_name, $field_name, $field_s
       // Try inserting a row, and check the resulting value of the new column.
       $id = $this->connection
         ->insert($table_name)
-        ->useDefaults(['serial_column'])
+        ->fields(['serial_column' => NULL])
         ->execute();
       $field_value = $this->connection
         ->select($table_name)