chore: switch to jest for testing

test/templating/test.js

@@ -1,6 +1,6 @@
 import {join, dirname} from "node:path";
+import {test, expect} from "@jest/globals";
 
-import test from "ava";
 import { rollup } from "rollup";
 
 import {debugPrintOutput, getCode} from "../util/index.ts";
@@ -18,8 +18,7 @@ import {fileURLToPath} from "node:url";
 const __dirname = dirname(fileURLToPath(import.meta.url));
 process.chdir(join(__dirname, 'fixtures'));
 
-
-test.serial('handlebars', async (t) => {
+test('handlebars', async () => {
   const bundle = await rollup({
     input: 'index.hbs',
     plugins: [
@@ -32,7 +31,7 @@ test.serial('handlebars', async (t) => {
   });
   const code = await getCode(bundle, output);
   debugPrintOutput('handlebars',code);
-  t.snapshot(code);
+  expect(code).toMatchSnapshot();
 });