diff --git a/cli/tests/unit/permissions_test.ts b/cli/tests/unit/permissions_test.ts
index 7528768a13..0057277212 100644
--- a/cli/tests/unit/permissions_test.ts
+++ b/cli/tests/unit/permissions_test.ts
@@ -1,27 +1,15 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { unitTest, assert } from "./test_util.ts";
+import { unitTest, assertThrowsAsync } from "./test_util.ts";
 
 unitTest(async function permissionInvalidName(): Promise<void> {
-  let thrown = false;
-  try {
+  await assertThrowsAsync(async () => {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     await Deno.permissions.query({ name: "foo" as any });
-  } catch (e) {
-    thrown = true;
-    assert(e instanceof Error);
-  } finally {
-    assert(thrown);
-  }
+  }, Error);
 });
 
 unitTest(async function permissionNetInvalidUrl(): Promise<void> {
-  let thrown = false;
-  try {
+  await assertThrowsAsync(async () => {
     await Deno.permissions.query({ name: "net", url: ":" });
-  } catch (e) {
-    thrown = true;
-    assert(e instanceof URIError);
-  } finally {
-    assert(thrown);
-  }
+  }, URIError);
 });