diff --git a/test/deno/sagiri.test.ts b/test/deno/sagiri.test.ts
index 23484d41..b61ee142 100644
--- a/test/deno/sagiri.test.ts
+++ b/test/deno/sagiri.test.ts
@@ -1,14 +1,14 @@
-import { assertIsError, assertExists } from "@std/assert";
+import { assertThrows, assertExists } from "@std/assert";
 import sagiri from "../../lib/sagiri.ts";
 
 Deno.test("should fail on invalid characters", () => {
-  assertIsError(sagiri("!!!!!*&#@(!)"));
+  assertThrows(() => { sagiri("!!!!!*&#@(!)") });
 });
 
 Deno.test("should fail on invalid length", () => {
-  assertIsError(sagiri("7".repeat(27)));
+  assertThrows(() => { sagiri("7".repeat(27)) });
 });
 
 Deno.test("Resolve with results", () => {
-  assertExists(()=> {sagiri(Deno.env.get("SAUCENAO_TOKEN")!)("https://i.imgur.com/F9QSgPx.jpeg")}, "pixiv");
+  assertExists(() => { sagiri(Deno.env.get("SAUCENAO_TOKEN")!)("https://i.imgur.com/F9QSgPx.jpeg") }, "pixiv");
 })