Rollup of 3 pull requests#139443

Merged

bors merged 6 commits intorust-lang:masterfrom

Zalathar:rollup-c54pncs

Apr 6, 2025

Commits on Apr 4, 2025

bootstrap: only build `rust_test_helpers` for `{incremental,ui}` suites
jieyouxu
committed

Commits on Apr 5, 2025

tidy: Fix paths to coretests and alloctests
thaliaarchi
committed