Which Tools Make Blockchain QA Automation Truly Reliable Across Networks?

Automation in blockchain QA looks simple until you scale it. Hardhat, Foundry, Slither, MythX—all great individually, but when you chain them, forks drift and RPCs time out.

I’ve faced flaky results while testing multi-network staking flows where local forks diverged from the canonical chain. For continuous QA across environments, which tool stacks or integration habits have actually proven stable for you?