fix(tapbundle_serverside): use native fs promises to create the test files directory and write the downloaded alpine tarball

ts_tapbundle_serverside/classes.testfileprovider.ts

@@ -12,9 +12,9 @@ export class TestFileProvider {
     const response = await plugins.smartrequest.SmartRequest.create()
       .url(fileUrls.dockerAlpineImage)
       .get();
-    await plugins.smartfsInstance.directory(paths.testFilesDir).recursive().create();
     const buffer = Buffer.from(await response.arrayBuffer());
-    await plugins.smartfsInstance.file(filePath).write(buffer);
+    await plugins.fs.promises.mkdir(paths.testFilesDir, { recursive: true });
+    await plugins.fs.promises.writeFile(filePath, buffer);
     return filePath;
   }
-}
+}