Ticket #25118: 25118.patch

tests/db.php

@@ -79 +79 @@
                 foreach ( $current_locales as $locale_setting ) {
                         if ( false !== strpos( $locale_setting, '=' ) ) {
                                 list( $category, $locale ) = explode( '=', $locale_setting );
-                                setlocale( constant( $category ), $locale );
+                                if( defined( $category ) ) {
+                                        setlocale( constant( $category ), $locale );
+                                }
                         } else {
                                 setlocale( LC_ALL, $locale_setting );
                         }