fix(browsers): get worker up and running in time to receive quick ack requests

.github/workflows/jquery-mousewheel.yml

@@ -0,0 +1,40 @@
+name: jQuery Mousewheel
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+env:
+  NODE_VERSION: 22.x
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    name: Test jQuery Mousewheel Integration
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: recursive
+
+      - name: Use Node.js ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Cache
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ env.NODE_VERSION }}-npm-lock-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-${{ env.NODE_VERSION }}-npm-lock-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run jQuery Mousewheel tests
+        working-directory: test/jquery-mousewheel
+        run: npm it

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "test/jquery-ui"]
 	path = test/jquery-ui
 	url = [email protected]:jquery/jquery-ui.git
+[submodule "test/jquery-mousewheel"]
+	path = test/jquery-mousewheel
+	url = [email protected]:jquery/jquery-mousewheel.git

browsers.js

@@ -103,12 +103,12 @@ export async function createBrowserWorker( url, browser, options, restarts = 0 )
 	worker.browser = browser;
 	worker.restarts = restarts;
 	worker.options = options;
-	touchBrowser( browser );
 	workers[ fullBrowser ] = worker;
 
-	// Wait for the worker to show up in the list
-	// before returning it.
-	return ensureAcknowledged( worker );
+	// Wait for at least one response
+	// from the worker before continuing
+	await ensureAcknowledged( worker );
+	return worker;
 }
 
 export function touchBrowser( browser ) {

createTestServer.js

@@ -159,6 +159,7 @@ export async function createTestServer( {
 		".txt": "text/plain",
 		".log": "text/plain"
 	};
+
 	use( async( req, res, next ) => {
 
 		// Allow serving anything but node_modules,