Change in coreboot[master]: tests: code coverage improvements

[Paul Fagerburg (Code Review)]

Attention is currently required from: Martin Roth, Jakub Czapiga, Paul Menzel, Julius Werner.
Paul Fagerburg has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/54072 )

Change subject: tests: code coverage improvements
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Patch Set 4:

(3 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/54072/comment/2a39ae64_fcf6c038 
PS4, Line 7: tests: code coverage improvements
> Please make it a statement by using a verb (in imperative mood) [1]. Maybe: […]

Done

File tests/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/54072/comment/85378193_42938414 
PS4, Line 204: COV=1 $(MAKE) coverage-report
> nit: What about V=1? V=$(V) might be useful in some cases.

Done

https://review.coreboot.org/c/coreboot/+/54072/comment/9bc88436_e44d40d6 
PS4, Line 207: COV=1 $(MAKE) clean-coverage-report
> nit: Same as above

Done