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You are missing the effect of loss-aversion and the cognitive bias towards keeping a test even if it adds negative value. Once a test has been added, it will t

• Buttons840 7y ago
  Good point, and I agree. Sunk cost fallacy and all that. I wouldn't consider those "objective", but I don't think it's worth arguing over the definition of that word when I think we otherwise agree. I also would agree that sometimes time has been wasted creating too many tests. Perhaps that time could have been spent to greater effect. I also think that even if, in retrospec, a test is very tightly coupled and specific to one implementation, that test still might have revealed bugs and may have helped the original author. If that test is now a burden, throw it away.