test: refactor tests, format files

tests/unit/routes/layout.test.ts

@@ -1,5 +1,7 @@
 import { themeState } from "$states/theme.svelte";
+import { render, screen } from "@testing-library/svelte";
 import { beforeEach, describe, expect, it, vi } from "vitest";
+import LayoutTest from "./LayoutTest.svelte";
 
 describe("+layout.svelte", () => {
   beforeEach(() => {
@@ -27,9 +29,6 @@ describe("+layout.svelte", () => {
   });
 });
 
-import LayoutTest from "./LayoutTest.svelte";
-import { render, screen } from "@testing-library/svelte";
-
 describe("Layout Component Coverage", () => {
   it("should render children snippet and initialize props", () => {
     render(LayoutTest);