4 files changed, 14 insertions, 10 deletions
diff --git a/fs/empty_dir_test.ts b/fs/empty_dir_test.ts
index d4a0de77a..d91c497a7 100644
--- a/fs/empty_dir_test.ts
+++ b/fs/empty_dir_test.ts
@@ -1,6 +1,10 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { test } from "../testing/mod.ts";
-import { assertEquals, assertThrowsAsync } from "../testing/asserts.ts";
+import {
+  assertEquals,
+  assertThrows,
+  assertThrowsAsync
+} from "../testing/asserts.ts";
 import { emptyDir, emptyDirSync } from "./empty_dir.ts";
 import * as path from "./path/mod.ts";
 
@@ -63,12 +67,12 @@ test(async function emptyDirIfItExist() {
     assertEquals(stat.isDirectory(), true);
 
     // nest directory have been remove
-    assertThrowsAsync(async () => {
+    await assertThrowsAsync(async () => {
       await Deno.stat(testNestDir);
     });
 
     // test file have been remove
-    assertThrowsAsync(async () => {
+    await assertThrowsAsync(async () => {
       await Deno.stat(testDirFile);
     });
   } finally {
@@ -102,12 +106,12 @@ test(function emptyDirSyncIfItExist() {
     assertEquals(stat.isDirectory(), true);
 
     // nest directory have been remove
-    assertThrowsAsync(async () => {
+    assertThrows(() => {
       Deno.statSync(testNestDir);
     });
 
     // test file have been remove
-    assertThrowsAsync(async () => {
+    assertThrows(() => {
       Deno.statSync(testDirFile);
     });
   } finally {
diff --git a/fs/ensure_dir_test.ts b/fs/ensure_dir_test.ts
index abf34221f..2e7936ae9 100644
--- a/fs/ensure_dir_test.ts
+++ b/fs/ensure_dir_test.ts
@@ -12,7 +12,7 @@ test(async function ensureDirIfItNotExist() {
 
   await ensureDir(testDir);
 
-  assertThrowsAsync(async () => {
+  await assertThrowsAsync(async () => {
     await Deno.stat(testDir).then(() => {
       throw new Error("test dir should exists.");
     });
@@ -44,7 +44,7 @@ test(async function ensureDirIfItExist() {
 
   await ensureDir(testDir);
 
-  assertThrowsAsync(async () => {
+  await assertThrowsAsync(async () => {
     await Deno.stat(testDir).then(() => {
       throw new Error("test dir should still exists.");
     });
diff --git a/fs/ensure_file_test.ts b/fs/ensure_file_test.ts
index b98d7c4e0..2199e3605 100644
--- a/fs/ensure_file_test.ts
+++ b/fs/ensure_file_test.ts
@@ -12,7 +12,7 @@ test(async function ensureFileIfItNotExist() {
 
   await ensureFile(testFile);
 
-  assertThrowsAsync(async () => {
+  await assertThrowsAsync(async () => {
     await Deno.stat(testFile).then(() => {
       throw new Error("test file should exists.");
     });
@@ -44,7 +44,7 @@ test(async function ensureFileIfItExist() {
 
   await ensureFile(testFile);
 
-  assertThrowsAsync(async () => {
+  await assertThrowsAsync(async () => {
     await Deno.stat(testFile).then(() => {
       throw new Error("test file should exists.");
     });
diff --git a/fs/move_test.ts b/fs/move_test.ts
index f8d7a6f44..aa49b4cca 100644
--- a/fs/move_test.ts
+++ b/fs/move_test.ts
@@ -240,7 +240,7 @@ test(function moveSyncFileIfDestExists() {
   );
 
   // move again with overwrite
-  assertThrowsAsync(
+  assertThrows(
     () => {
       moveSync(srcFile, destFile, { overwrite: true });
       throw new Error("should not throw error");