chore: installation test added (#335)

tests/install.spec.ts

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { test, expect } from './fixtures.js';
+
+test('browser_install', async ({ client, mcpBrowser }) => {
+  test.skip(mcpBrowser !== 'chromium', 'Test only chromium');
+  expect(await client.callTool({
+    name: 'browser_install',
+    arguments: {},
+  })).toContainTextContent(`No open pages available.`);
+});