[M] Change in flashrom[master]: tests: Detect llvm-cov file io and unmock io functions

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Evan Benn.

Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/69267 )

Change subject: tests: Detect llvm-cov file io and unmock io functions
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Patch Set 6:

(2 comments)

Commit Message:

https://review.coreboot.org/c/flashrom/+/69267/comment/d4bcd907_618e7bc7 
PS6, Line 9: atexit
missing space: atexit -> at exit

File tests/tests.c:

https://review.coreboot.org/c/flashrom/+/69267/comment/c9bf5e11_629b8a13 
PS6, Line 234: 	// We detect code coverage writing the log files and defer to real io functions.
             : 	if (!check_suffix(pathname, ".gcda") || !check_suffix(pathname, ".profraw"))
             : 		io_mock_register(&real_io_mock);
Is this code needed for __wrap_fopen64?