1 files changed, 2 insertions, 2 deletions
diff --git a/fs/read_file_str_test.ts b/fs/read_file_str_test.ts
index eb529022c..d7d67d8d4 100644
--- a/fs/read_file_str_test.ts
+++ b/fs/read_file_str_test.ts
@@ -5,14 +5,14 @@ import * as path from "./path/mod.ts";
 
 const testdataDir = path.resolve("fs", "testdata");
 
-test(function testReadFileSync() {
+test(function testReadFileSync(): void {
   const jsonFile = path.join(testdataDir, "json_valid_obj.json");
   const strFile = readFileStrSync(jsonFile);
   assert(typeof strFile === "string");
   assert(strFile.length > 0);
 });
 
-test(async function testReadFile() {
+test(async function testReadFile(): Promise<void> {
   const jsonFile = path.join(testdataDir, "json_valid_obj.json");
   const strFile = await readFileStr(jsonFile);
   assert(typeof strFile === "string");