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Using Playwright to run flows and Jev to verify agent behavior

An end-to-end testing pattern where Playwright handles the operations and Jev verifies whether the agent did the right thing, making agent testing cheap at scale.

Goran Gajić
@golenullArchived 2026.09.24Originally posted 2026.09.23
Using Playwright to run flows and Jev to verify agent behavior
Goran Gajić @golenullOriginally posted 2026.09.23
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One good use case for Jev from @typesafeai for e2e testing is that agent testing is now cheap at scale. Playwright does most of the heavy lifting, and Jev verifies that the agent did the right thing.

x.com/golenull/status/2102700253761941817Archived 2026.09.24 10:19