test: remove invalid return never

Author: kenjis

tests/_support/Autoloader/FatalLocator.php

@@ -34,7 +34,7 @@ class FatalLocator extends FileLocator
      *
      * @return false|string The path to the file, or false if not found.
      */
-    public function locateFile(string $file, ?string $folder = null, string $ext = 'php'): never
+    public function locateFile(string $file, ?string $folder = null, string $ext = 'php')
     {
         $folder ??= 'null';
 

tests/system/Cache/Handlers/MemcachedHandlerTest.php

@@ -122,7 +122,7 @@ public function testDelete(): void
         $this->assertFalse($this->handler->delete(self::$dummy));
     }
 
-    public function testDeleteMatching(): never
+    public function testDeleteMatching(): void
     {
         // Not implemented for Memcached, should throw an exception
         $this->expectException(Exception::class);