Update tests

Magesail/Test/Unit/Model/NginxGlobalMapManagerTest.php

@@ -105,16 +105,12 @@ MAP;
 
     public function testReadMapFileThrowsWhenNotReadable(): void
     {
-        $path = $this->tmpRoot . '/secret.map';
-        file_put_contents($path, 'x');
-        chmod($path, 0000);
+        // Use a path that does not exist: is_readable() is false without chmod tricks.
+        // chmod(0000) is unreliable under root / some CI images (file stays readable).
+        $path = $this->tmpRoot . '/does_not_exist.map';
         $m = $this->makeManager(['magesail/nginx/global_map_path' => $path]);
-        try {
-            $this->expectException(LocalizedException::class);
-            $m->readMapFile();
-        } finally {
-            chmod($path, 0644);
-        }
+        $this->expectException(LocalizedException::class);
+        $m->readMapFile();
     }
 
     public function testReadMapFileReturnsContent(): void
@@ -157,17 +153,11 @@ MAP;
 
     public function testValidateNginxConfigWhenMapUnreadable(): void
     {
-        $path = $this->tmpRoot . '/nr.map';
-        file_put_contents($path, 'x');
-        chmod($path, 0000);
+        $path = $this->tmpRoot . '/missing_for_validate.map';
         $m = $this->makeManager(['magesail/nginx/global_map_path' => $path]);
-        try {
-            $r = $m->validateNginxConfig();
-            self::assertFalse($r['valid']);
-            self::assertStringContainsString('not readable', (string) ($r['error'] ?? ''));
-        } finally {
-            chmod($path, 0644);
-        }
+        $r = $m->validateNginxConfig();
+        self::assertFalse($r['valid']);
+        self::assertStringContainsString('not readable', (string) ($r['error'] ?? ''));
     }
 
     public function testAddAndRemoveTunnelMapping(): void