[clang-tools-extra] [clang-tidy] Fix failing test after #80864 (PR #81171)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL approved this pull request.

LGTM, purpose of this test is just to verify that errors (any) are shown in clang-tidy

https://github.com/llvm/llvm-project/pull/81171