I've seen this pattern often with teams that are out of their normal wheelhouse (i.e. Python shop doing Go or JS shop doing Java) and think they cannot extend a

I've seen this pattern often with teams that are out of their normal wheelhouse (i.e. Python shop doing Go or JS shop doing Java) and think they cannot extend a bad test library. The other place you see this a lot is where developer hours are being billed. I can sympathize with devs who are shallow on a test library, but the billing hours one is a dark pattern for optimizing cost plus billing.