bors da27c979e2 Auto merge of #11905 - pgerber:tests, r=dswij
Tolerate hidden, binary files in tests/

Avoid scanning temporary files created by editors like this one created by Vim:

---- old_test_headers stdout ----
thread 'old_test_headers' panicked at tests/headers.rs:19:74: tests/ui/.regex.rs.swp: stream did not contain valid UTF-8 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

changelog: none
2023-12-02 16:07:07 +00:00
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