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Resources

Testing Guides & Best Practices

Explore comprehensive guides, tutorials, and best practices for automated testing, debugging, and quality assurance. Stay updated with the latest testing tools and techniques.

Your Agent Opened the PR. Who Proved the Onboarding Flow Still Works?

Your Agent Opened the PR. Who Proved the Onboarding Flow Still Works?

AI coding agents can merge plausible changes fast. Real confidence comes from replaying critical user workflows in CI, not trusting diffs, unit tests, or green builds alone.

The PR Looked Fine Until OAuth Redirected Twice

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Showing 1-15 of 48 resources

The PR Looked Fine Until OAuth Redirected Twice

PR checks validate diffs, not real user journeys. Why OAuth, billing, email, and callback handoffs fail after green CI—and how to test workflows before merge.

DebuggAI Team

21 min read

8/16/2026

The Merge Queue Is Shipping Broken UX Faster Than Ever

The Merge Queue Is Shipping Broken UX Faster Than Ever

Merge queues improve throughput, not verification. In AI-heavy teams, approved PRs can merge cleanly while combined changes break real user workflows that nobody actually exercised.

The PR Looked Fine Until OAuth Entered the Loop

The PR Looked Fine Until OAuth Entered the Loop

Why code that passes review and CI still fails in real OAuth flows—and how to test auth-gated, multi-step journeys across redirects, sessions, cookies, and roles.

Staging Passed. Checkout Still Failed: The Missing Layer Between Preview Deploys and Production Reality

Staging Passed. Checkout Still Failed: The Missing Layer Between Preview Deploys and Production Reality

Why preview deploys and staging signoff create false confidence, and how action-level testing in PRs and CI/CD catches the last-mile failures users actually hit.

The PR Review Mirage: Why AI-Generated Diffs Hide Broken User Flows

The PR Review Mirage: Why AI-Generated Diffs Hide Broken User Flows

AI-generated pull requests can look clean and test-covered while silently breaking real workflows. Here’s why diff-based review fails and how to add user-flow proof to code review.

The PR Demo Worked. The Merge Broke Checkout.

The PR Demo Worked. The Merge Broke Checkout.

A PR can pass review and CI/CD yet fail after merge. Why isolated validation misses real workflow bugs—and how action-level post-merge testing catches checkout, auth, and onboarding failures.

Your PR Passed Review. The Migration Still Broke Checkout.

Your PR Passed Review. The Migration Still Broke Checkout.

Schema changes and data migrations fail where CI looks healthy. Test stateful transitions, replay old data, and verify real user workflows across upgrade paths.

Your Agent Opened the PR. Who Verified the Migration Actually Worked?

Your Agent Opened the PR. Who Verified the Migration Actually Worked?

AI agents can ship schema changes fast, but passing CI rarely proves a migration works on real state. Here's why teams must verify workflows after data changes, not just code before merge.

PR Copilot vs AI Test Suites: Where to Start

PR Copilot vs AI Test Suites: Where to Start

A practical breakdown of DebuggAI's two testing products: what each catches, what each misses, and which to set up first.

Why E2E Selectors Break, and How Self-Healing Fixes It

Why E2E Selectors Break, and How Self-Healing Fixes It

The real reasons Playwright and Selenium selectors go stale, what self-healing actually automates, and where it still needs a human.

Wire DebuggAI Into Claude Code or Cursor With MCP

Wire DebuggAI Into Claude Code or Cursor With MCP

Connect the DebuggAI MCP server to Claude Code, Cursor, or Claude Desktop and let your AI agent trigger and read back real browser test runs.

Turn Real Usage Into Regression Tests With AI Test Suites

Turn Real Usage Into Regression Tests With AI Test Suites

DebuggAI crawls your deployed app into a knowledge graph, validates each page and state against a goal, and lets you lock the ones worth protecting into real Playwright-backed tests.

Set Up Automatic PR Testing With DebuggAI in 5 Minutes

Set Up Automatic PR Testing With DebuggAI in 5 Minutes

Install the DebuggAI GitHub App and get AI-generated Playwright tests running against every pull request, with results posted straight to the PR.

Your PR Passed. Your OAuth Login Still Broke.

Your PR Passed. Your OAuth Login Still Broke.

Why auth, redirects, popups, cookies, and identity-provider flows still break after green CI—and why teams need browser-level testing of real user journeys.