1 files changed, 2 insertions, 2 deletions
diff --git a/core/tests/Drupal/Tests/SchemaCheckTestTrait.php b/core/tests/Drupal/Tests/SchemaCheckTestTrait.php
index 26f97c482b4c..177744e9a2de 100644
--- a/core/tests/Drupal/Tests/SchemaCheckTestTrait.php
+++ b/core/tests/Drupal/Tests/SchemaCheckTestTrait.php
@@ -24,7 +24,7 @@ trait SchemaCheckTestTrait {
    * @param array $config_data
    *   The configuration data.
    */
-  public function assertConfigSchema(TypedConfigManagerInterface $typed_config, $config_name, $config_data) {
+  public function assertConfigSchema(TypedConfigManagerInterface $typed_config, $config_name, $config_data): void {
     $check = $this->checkConfigSchema($typed_config, $config_name, $config_data);
     $message = '';
     if ($check === FALSE) {
@@ -46,7 +46,7 @@ trait SchemaCheckTestTrait {
    * @param string $config_name
    *   The configuration name.
    */
-  public function assertConfigSchemaByName($config_name) {
+  public function assertConfigSchemaByName($config_name): void {
     $config = $this->config($config_name);
     $this->assertConfigSchema(\Drupal::service('config.typed'), $config->getName(), $config->get());
   }