MCP App StoreMCP App Store
from chromium24,080
Guides writing end-to-end browser tests for Chrome web applications using WebAppBrowserTestBase, with setup, waiting patterns, and state validation.
Provides step-by-step guidance for authoring browsertests in the chrome/browser/web_applications area. It explains the recommended test base classes, test environment setup (embedded HTTPS test server), waiting and stability best-practices, and how to validate browser and web-app state in end-to-end tests. Concrete C++ examples show install/launch flows and common wait helpers.
Use this when you need to add or update integration-level browser tests for Chrome web applications — for example, validating install flows, UI interactions, manifest-driven updates, or OS integration behavior. It's aimed at Chromium contributors writing IN_PROC_BROWSER_TESTs.
Agents that assist with C++/Chromium development and testing (tools with code editing, build/test runners, and C++ knowledge) such as Codex/Copilot-style code assistants, local CI runners, and developer tooling automation.
This skill has not been reviewed by our automated audit pipeline yet.
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