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expect

Run adversarial browser tests with expect-cli to validate UI changes.

6|1|Updated Apr 7, 2026
Search Tags:#e2e#playwright#browser-testing#adversarial-testing#cookie-injection#session-recording#expect-cli
One-click install
npx skills add https://github.com/kmshihab7878/claude-code-setup --skill expect
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: expect
Source: https://github.com/kmshihab7878/claude-code-setup/tree/main/skills/expect-testing
Command: npx skills add https://github.com/kmshihab7878/claude-code-setup --skill expect

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Runs adversarial browser tests against code changes to verify they break and do not regress UI behavior, offering a stronger validation than manual checks.

Core Features & Use Cases

  • Adversarial test plans that probe edge cases in real browser contexts.
  • Session recordings and replay capability to diagnose failures.
  • Cookie and authentication injection to test stateful flows.
  • Structured pass/fail output and actionable feedback for quick fixes.

Quick Start

Run an adversarial browser test against your latest UI change using expect-cli and review the pass/fail results.

Frequently Asked Questions about expect

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate adversarial browser testing for UI changes?▼

Adversarial browser testing validates UI changes against regressions by executing structured test plans in real browsers. It probes edge cases across components, forms, routes, and layouts to reveal failures that manual checks miss.

Do I need expect-cli to run e2e adversarial tests?▼

Yes, you need expect-cli to run these e2e adversarial tests. The testing framework requires expect-cli to execute structured test plans and output clear pass/fail results with actionable next steps for fixes.

Can I test stateful flows with cookie injection in browser testing?▼

Yes, this browser testing approach supports cookie and authentication injection to test stateful flows. You can manipulate cookies and auth states to validate post-change behavior across complex user sessions.

How does session replay help diagnose e2e test failures?▼

Session replay helps diagnose e2e test failures by recording browser interactions during adversarial test execution. You can replay these recordings to visually trace exactly how and where UI regressions occurred.

What is the best way to validate post-change UI behavior without manual checks?▼

The best way to validate post-change UI behavior without manual checks is running adversarial test plans in real browsers. This structured approach outputs clear pass/fail results and actionable feedback for quick fixes.

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