Modern QA2026Key Takeaways — tiles
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6.8Key Takeaways

  • Every async operation must be awaited — forgotten await is the most common async bug
  • Use Promise.all / asyncio.gather for concurrent operations
  • Use Promise.allSettled when you need all results regardless of individual failures
  • Avoid shared state between concurrent tests — each test should create its own data
  • Never block the event loop with synchronous operations in async code
  • Enable linting rules to catch missing await at compile time