diff --git a/src/WPDesk/Notice/AjaxHandler.php b/src/WPDesk/Notice/AjaxHandler.php
index fc3e67448b96feb7f5d9429f160eea140c1472c0..64c871754f1cfab287f9bfaff40f13a22ed72dae 100644
--- a/src/WPDesk/Notice/AjaxHandler.php
+++ b/src/WPDesk/Notice/AjaxHandler.php
@@ -79,7 +79,7 @@ class AjaxHandler implements HookablePluginDependant {
             $noticeName = sanitize_text_field( $_POST[ self::POST_FIELD_NOTICE_NAME ] );
 
             $option_name = PermanentDismissibleNotice::OPTION_NAME_PREFIX . $noticeName;
-            \ajax_check_referer( $option_name, self::POST_FIELD_SECURITY );
+            ajax_check_referer( $option_name, self::POST_FIELD_SECURITY );
 
             if ( ! current_user_can( 'edit_posts' ) ) {
                 wp_send_json_error();
diff --git a/tests/codeception/tests/integration.suite.yml b/tests/codeception/tests/integration.suite.yml
index 25ef607c1f3de3ce2340ad644c5ee1059b6e602d..1f3f494f6ddd47c015a60728d2d9ed14ddb5551a 100644
--- a/tests/codeception/tests/integration.suite.yml
+++ b/tests/codeception/tests/integration.suite.yml
@@ -32,6 +32,7 @@ modules:
             dbPassword: "%TEST_SITE_DB_PASSWORD%"
             isolatedInstall: false
             loadOnly: false
+            skipPluggables: false
             tablePrefix: "%TEST_SITE_TABLE_PREFIX%"
             plugins: []
             activatePlugins: []