Initial rebrand: @polkadot -> @pezkuwi (3 packages)

- Package namespace: @polkadot/dev -> @pezkuwi/dev
- Repository: polkadot-js/dev -> pezkuwichain/pezkuwi-dev
- Author: Pezkuwi Team <team@pezkuwichain.io>

Packages:
- @pezkuwi/dev (build tools, linting, CI scripts)
- @pezkuwi/dev-test (test runner)
- @pezkuwi/dev-ts (TypeScript build)

Upstream: polkadot-js/dev v0.83.3

packages/dev-test/src/env/browser.spec.ts

@@ -0,0 +1,26 @@
+// Copyright 2017-2025 @polkadot/dev-test authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { browser } from './browser.js';
+
+const all = browser();
+
+describe('browser', () => {
+  it('contains window', () => {
+    expect(all.window).toBeDefined();
+  });
+
+  it('contains a crypto implementation', () => {
+    expect(all.crypto).toBeTruthy();
+    expect(typeof all.crypto.getRandomValues).toBe('function');
+  });
+
+  it('contains the top-level objects', () => {
+    expect(all.document).toBeDefined();
+    expect(all.navigator).toBeDefined();
+  });
+
+  it('contains HTML*Element', () => {
+    expect(typeof all.HTMLElement).toBe('function');
+  });
+});