add test

src/routes/export/[format=outputFormat]/Serialized.test.js

@@ -0,0 +1,14 @@
+import { render } from "@testing-library/svelte";
+import "@testing-library/jest-dom";
+
+import Serialized from "./Serialized.svelte";
+
+test("basic", () => {
+    const { getByText } = render(Serialized, {
+        props: {
+            data: "hello world",
+            format: "json",
+        },
+    });
+    expect(getByText("hello world")).toBeInTheDocument();
+});