checking for test suite failures

[WalterBright]

[dlang-bot]

Thanks for your pull request, @WalterBright!

Bugzilla references

Your PR doesn't reference any Bugzilla issue.

If your PR contains non-trivial changes, please reference a Bugzilla issue or create a manual changelog.

Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + dmd#16188"

[RazvanN7]

@WalterBright ok to close this?

[PetarKirov]

I'll go on a limb and say yes.