fix: replace vitual file system by temp folder

The openssl extension don't work fine with virtual file system

Signed-off-by: Vitor Mattos <vitor@php.rio>

Author: vitormattos

tests/Unit/Handler/CertificateEngine/OpenSslHandlerTest.php

@@ -25,17 +25,15 @@ final class OpenSslHandlerTest extends \OCA\Libresign\Tests\Unit\TestCase {
 	private ITempManager $tempManager;
 	private OpenSslHandler $openSslHandler;
 	protected CertificatePolicyService $certificatePolicyService;
+	private string $tempDir;
 	public function setUp(): void {
 		$this->config = \OCP\Server::get(IConfig::class);
 		$this->appConfig = \OCP\Server::get(IAppConfig::class);
 		$this->appDataFactory = \OCP\Server::get(IAppDataFactory::class);
 		$this->dateTimeFormatter = \OCP\Server::get(IDateTimeFormatter::class);
 		$this->tempManager = \OCP\Server::get(ITempManager::class);
 		$this->certificatePolicyService = \OCP\Server::get(certificatePolicyService::class);
-
-		// The storage can't be modified when create a new instance to
-		// don't lost the root cert
-		vfsStream::setup('certificate');
+		$this->tempDir = $this->tempManager->getTemporaryFolder('certificate');
 	}
 
 	private function getInstance(): OpenSslHandler {
@@ -47,7 +45,7 @@ private function getInstance(): OpenSslHandler {
 			$this->tempManager,
 			$this->certificatePolicyService,
 		);
-		$this->openSslHandler->setConfigPath('vfs://certificate/');
+		$this->openSslHandler->setConfigPath($this->tempDir);
 		return $this->openSslHandler;
 	}