updated vitest guide

Author: michaelessiet

content/guides/how-to-guides/testing-in-solid/vitest.mdx

@@ -30,10 +30,6 @@ yarn add -D vitest jsdom @testing-library/jest-dom @solidjs/testing-library
 Now that we've installed the necessary packages, we'll need to configure vitest to work with Solid. Let's create a `vitest.config.ts` file in the root of our project. 
 
 ```ts
-/// <reference types="vitest" />
-/// <reference types="vite/client" />
-// 👆 do not forget to add the references above 
-
 import { defineConfig } from 'vite';
 import solidPlugin from 'vite-plugin-solid';
 
@@ -48,7 +44,7 @@ export default defineConfig({
   test:{
     environment: 'jsdom',
     globals: true,
-    transformMode: { web: [/\.[jt]sx?$/] },
+    testTransformMode: { web: ["/\.[jt]sx?$/"] },
   }
 });
 ```
@@ -98,7 +94,7 @@ In Solid we recommend creating a `test` folder to house all your test files in.
 
 ```bash
 mkdir test
-touch test/App.test.ts
+touch test/App.test.tsx
 ```
 
 Now that we've created the test file, let's add some tests. 
@@ -145,8 +141,8 @@ Let's create a test file for our `Counter` component:
 ```ts
 // counter.test.tsx
 import { Counter } from "../src/counter";
-import { cleanup, fireEvent, render, screen, afterEach } from "solid-testing-library";
-import { describe, expect, it } from 'vitest';
+import { cleanup, fireEvent, render, screen } from "@solidjs/testing-library";
+import { describe, expect, it, afterEach } from 'vitest';
 import "@testing-library/jest-dom"
 
 describe("Counter", () => {