I've done this, leave an obvious trivial bug for the QA to find otherwise they'll keep digging until they find something pointless and hard to fix, which is not

I've done this, leave an obvious trivial bug for the QA to find otherwise they'll keep digging until they find something pointless and hard to fix, which is not a problem in the first place. they have to find something to justify their jobs. I wonder if there's a name for doing this?