Fix eslint warnings (#2151)

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
Co-authored-by: LE GOFF Vincent <g_n_s@hotmail.fr>

1 files changed, 2 insertions, 2 deletions

diff --git a/js/build_test.ts b/js/build_test.ts
index 106b5b184..4a254e7a6 100644
--- a/js/build_test.ts
+++ b/js/build_test.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { test, assert } from "./test_util.ts";
 
-test(function buildInfo() {
+test(function buildInfo(): void {
   // Deno.build is injected by rollup at compile time. Here
   // we check it has been properly transformed.
   const { arch, os } = Deno.build;
@@ -9,6 +9,6 @@ test(function buildInfo() {
   assert(os === "mac" || os === "win" || os === "linux");
 });
 
-test(function buildGnArgs() {
+test(function buildGnArgs(): void {
   assert(Deno.build.args.length > 100);
 });