Have you ever asked an AI a question, received a perfectly confident answer, and only realized later that the entire response was a work of fiction? In the world of Generative AI, we call this a hallucination. As a Software Engineer in Test, I’ve realized that these hallucinations aren't just "funny bugs"—they are significant risks, especially when we rely on AI to generate test data, mock environments, or automated scenarios. The "Kırebe" Incident: A Lesson in AI Pleasing To understand how deep this goes, let me share a personal example. In Turkish culture, there is a traditional game called "Körebe" (Blind Man's Buff). The name is a compound of Kör (Blind) and Ebe (it/tagger), perfectly describing a game played with eyes closed. While working with an AI, I made a typo and wrote "Kırebe" (Kır + Ebe) instead of Körebe. Instead of the AI correcting me or saying it didn't recognize the term, it did something fascinating and dangerous: It invented a brand-new game.…