chore: switch to jest for testing

test/watch/test.js

@@ -1,6 +1,6 @@
 import {join, dirname} from "node:path";
+import {test, expect} from "@jest/globals";
 
-import test from "ava";
 import * as rollup from "rollup";
 import {debugPrintOutput, getCode} from "../util/index.ts";
 import {resolve} from "node:path";
@@ -12,6 +12,10 @@ const output = {
   dir: 'output', // Output all files
   format: 'es', //  iifi and cjs should be added to tests
   sourcemap: true,// Test if #sourcemapUrl is not accidentally included in the html-output
+  // Prevent hashes from being added (and screw up the snapshots)
+  chunkFileNames: '[name].js',
+  entryFileNames: '[name].[extname]',
+  assetFileNames: '[name].[extname]',
 };
 
 import {fileURLToPath} from "node:url";
@@ -20,7 +24,7 @@ const __dirname = dirname(fileURLToPath(import.meta.url));
 process.chdir(join(__dirname, 'fixtures'));
 
 
-test.serial('watch', async (t) => {
+test('watch', async () => {
   const origContent = `
     export const a = 1; // DO NOT CHANGE ME HERE, but in ../test.js
   `;
@@ -56,25 +60,26 @@ test.serial('watch', async (t) => {
       await writeFile(path, origContent, {encoding: 'utf-8'});
 
       // Assert the output is what we exapect;
-      t.snapshot(code);
+      expect(code).toMatchSnapshot();
 
       watcher
     },
   ];
+  const log = console.log;
 
   await new Promise((resolve, reject)=>{
     watcher.on('event', async (event) => {
       const {result} = event;
       switch (event.code) {
         case "START":
-          t.log(`WATCH STARTED`);
+          log(`WATCH STARTED`);
           break;
         case "BUNDLE_START":
-          t.log(`REBUILDING...`);
+          log(`REBUILDING...`);
 
           break;
         case "BUNDLE_END":
-          t.log(`Rebuilt...`);
+          log(`Rebuilt...`);
           const cb = steps.shift();
 
           const generated = await result.generate(output);
@@ -94,4 +99,6 @@ test.serial('watch', async (t) => {
       }
     });
   });
+
+  await watcher.close();
 });