Dev Tools · 1h ago
Isolate Test Inboxes to Fix Flaky Facebook Signup APIs
Shared test inboxes cause false positives in Facebook signup API tests by reusing old verification emails. Developers should treat the inbox as part of the API contract, tying each verification message to a unique request window. Isolating inboxes per test run eliminates flakiness and ensures accurate auth debugging.
Meridian48 take
The advice is sound but narrowly focused on testing edge cases; most teams will benefit more from robust idempotency in production flows than from per-run inbox isolation.
testingapi-design