What is the definition of Testfiles?

"Testfiles" are like the secret ingredient in a chef's kitchen but for computer programmers. They're the whispers in your code editor, the unseen scripts that ensure your program runs smoothly without you even realizing it. It's the digital equivalent of a trusty sidekick, quietly making sure your app doesn't crash when you press that 'run' button.

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Here's an edgy example sentence: "Just when I thought my app was invincible, I realized my testfiles were secretly plotting to sabotage me from within."