Go blocks circular imports. Your test setup shouldn't suffer for it.
✅ Use _test packages to decouple helpers
✅ Extract interfaces into shared packages
✅ Test real DBs with containers — not mocks
✅ Write tiny tests first to build coverage momentum
🧪 Better structure → better tests → safer deploys
📎 Full article → https://levelup.gitconnected.com/break-the-dependency-loop-go-testing-tactics-for-2025-21e900f33be1
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