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Aug 5, 2026 7 min

How to Test Your Own Code Without Breaking It

from Software Testing with Fexingo: QA, Automation, and Reliable Software Engineering Hosted by Fexingo

In this episode, Lucas and Luna dive into the tricky art of self-testing — how developers can test their own code effectively without falling into the trap of confirmation bias. They break down a real case: a fintech startup that caught a critical bug in their payment logic only after implementing a structured self-review checklist. Lucas explains the psychology behind why we miss our own mistakes, and Luna shares a practical 'red team' trick she uses to review her own pull requests. They also cover how to balance speed and rigor, and why pair review still matters even when you trust your own testing. If you've ever shipped a bug that you swore you tested, this one's for you. #SelfTesting #QA #SoftwareEngineering #DeveloperProductivity #CodeReview #BugFixing #TestingStrategy #TechPodcast #FexingoBusiness #BusinessPodcast #SoftwareDevelopment #Fintech #Payments #ConfirmationBias #RedTeaming #PairReview #QualityAssurance #CodingTips Keep every episode free: buymeacoffee.com/fexingo

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How to Test Your Own Code Without Breaking It

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This episode is 7 minutes long.

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This episode was published on August 5, 2026.

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