Update tests/system/HTTP/ResponseTest.php

Co-authored-by: Michal Sniatala <michal@sniatala.pl>

Author: gr8man

tests/system/HTTP/ResponseTest.php

@@ -510,7 +510,7 @@ public function testGetDownloadResponseByExtremeFilePath(): void
         $this->assertInstanceOf(DownloadResponse::class, $actual);
         $actual->buildHeaders();
 
-        $expectedBasename = basename($extremePath);
+        $expectedFilename = $extremeName;
         $this->assertSame(
             'attachment; filename="' . addslashes($expectedBasename) . '"; filename*=UTF-8\'\'' . rawurlencode($expectedBasename),
             $actual->getHeaderLine('Content-Disposition'),