Rollup merge of #150216 - reddevilmidzy:t13, r=Kivooeo

Tidying up tests/ui/issues 15 tests [6/N]

> [!NOTE]
> Intermediate commits are intended to help review, but will be squashed add comment commit prior to merge.

part of rust-lang/rust#133895

r? Kivooeo

Author: matthiaskrgr