13 min
Shared Session Cookies Corrupted Our Parallel Tests
Eight Playwright BrowserContexts were properly isolated, but they all loaded the same session cookie — so the server treated 8 parallel threads as one.
Posts tagged "lessons-learned"
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13 min
Your Green Test Suite Is Hiding Real Bugs
Handling unexpected alerts or removing assertions to make tests pass doesn't fix anything — it buries bugs. Here's how to spot and stop these patterns.
13 min
The Flaky Test Isn't Flaky — It's a Race Condition
How a 'flaky' Playwright test exposed a shared test user race condition in our parallel suite, and the isolation patterns that fixed it for good.
11 min
2 Minutes a Day Cost Me More Than You Think
I automated my enterprise VPN login with Python and saved 10+ hours a year. But the real win wasn't time — it was the focus and brain energy I never got back.
11 min
Our Enterprise Approved AI — And Why It's the Biggest Risk
Enterprises lock teams into outdated AI models for safety. The irony? Older, less capable models produce worse code and create more risk than they prevent.