diff --git a/test_upload.php b/test_upload.php
index f954986..65d6508 100644
--- a/test_upload.php
+++ b/test_upload.php
@@ -1,38 +1,29 @@
 <?php
+// Simuloi logo upload suoraan palvelimella
 ini_set('display_errors', '1');
 error_reporting(E_ALL);
+header('Content-Type: text/plain');
+
 require_once __DIR__ . '/db.php';
 
-echo "<h3>Test: dbLoadCompanies + dbSaveCompany</h3>";
+// Testaa kirjoitusoikeus
+$compDir = __DIR__ . '/data/companies/web1';
+echo "Kansio $compDir:\n";
+echo "  exists: " . (file_exists($compDir) ? 'kyllä' : 'ei') . "\n";
 
-try {
-    $companies = dbLoadCompanies();
-    echo "Yrityksiä: " . count($companies) . "\n\n";
-
-    foreach ($companies as $comp) {
-        echo "ID: {$comp['id']}, nimi: {$comp['nimi']}, logo: " . ($comp['logo_file'] ?? '(tyhjä)') . "\n";
-        echo "  domains: " . json_encode($comp['domains']) . "\n";
-        echo "  cors_origins: " . var_export($comp['cors_origins'] ?? null, true) . "\n";
-        echo "  aktiivinen: " . var_export($comp['aktiivinen'], true) . "\n\n";
-    }
-
-    // Testaa save web1:lle (logo_file = test)
-    echo "--- Testataan save web1 (logo_file = 'test.png') ---\n";
-    foreach ($companies as $comp) {
-        if ($comp['id'] === 'web1') {
-            $comp['logo_file'] = 'test.png';
-            dbSaveCompany($comp);
-            echo "✅ dbSaveCompany OK\n";
-
-            // Palauta takaisin
-            $comp['logo_file'] = '';
-            dbSaveCompany($comp);
-            echo "✅ Palautus OK\n";
-            break;
-        }
-    }
-} catch (Throwable $e) {
-    echo "❌ VIRHE: " . $e->getMessage() . "\n";
-    echo "File: " . $e->getFile() . ":" . $e->getLine() . "\n";
-    echo "Trace:\n" . $e->getTraceAsString() . "\n";
+if (!file_exists($compDir)) {
+    $ok = @mkdir($compDir, 0755, true);
+    echo "  mkdir: " . ($ok ? 'OK' : 'EPÄONNISTUI: ' . error_get_last()['message'] ?? 'tuntematon') . "\n";
 }
+
+echo "  writable: " . (is_writable($compDir) ? 'kyllä' : 'EI') . "\n";
+
+// Testaa data/ kansion oikeudet
+echo "\ndata/ kansio:\n";
+echo "  exists: " . (file_exists(__DIR__ . '/data') ? 'kyllä' : 'ei') . "\n";
+echo "  writable: " . (is_writable(__DIR__ . '/data') ? 'kyllä' : 'EI') . "\n";
+
+$dataCompanies = __DIR__ . '/data/companies';
+echo "\ndata/companies/ kansio:\n";
+echo "  exists: " . (file_exists($dataCompanies) ? 'kyllä' : 'ei') . "\n";
+echo "  writable: " . (is_writable($dataCompanies) ? 'kyllä' : 'EI') . "\n";