[S] Change in flashrom[master]: tests: Detect gcov run and redirect to real I/O functions

[Evan Benn (Code Review)]

Attention is currently required from: Thomas Heijligen, Evan Benn.

Hello build bot (Jenkins), Thomas Heijligen, Anastasia Klimchuk,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/flashrom/+/69266

to look at the new patch set (#11).

Change subject: tests: Detect gcov run and redirect to real I/O functions
......................................................................

tests: Detect gcov run and redirect to real I/O functions

Code coverage writes data to disk, we need to use real io functions at
this point so that the data is really written.

BUG=b:187647884
BRANCH=None
TEST=meson test
TEST=ninja coverage

Change-Id: If06053ecd78e886c8f7fc55813f4b5635be78c6b
Signed-off-by: Evan Benn 
---
M Documentation/building.md
M tests/tests.c
2 files changed, 32 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/66/69266/11