diff --git a/frontend/src/__tests__/public/validate-json.test.ts b/frontend/src/__tests__/public/validate-json.test.ts
index 32d8497..7c532f2 100644
--- a/frontend/src/__tests__/public/validate-json.test.ts
+++ b/frontend/src/__tests__/public/validate-json.test.ts
@@ -8,10 +8,9 @@ const jsonDir = "public/json";
 const metadataFileName = "metadata.json";
 const encoding = "utf-8";
 
-const fileNames = (await fs.readdir(jsonDir)).filter(async (fileName) => {
+const fileNames = (await fs.readdir(jsonDir)).filter((fileName) => {
   const filePath = path.resolve(jsonDir, fileName);
-  const stat = await fs.stat(filePath);
-  return stat.isFile();
+  return fileName !== "done";
 });
 
 describe.each(fileNames)("%s", async (fileName) => {