Change in flashrom[master]: tests: Add test for extract operation

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan, Angel Pons, Daniel Campello, Peter Marheine.
Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/59532 )

Change subject: tests: Add test for extract operation
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Patch Set 4:

(3 comments)

This change is ready for review.

File tests/chip.c:

https://review.coreboot.org/c/flashrom/+/59532/comment/9ea6647b_623bee71 
PS3, Line 462: mock_chip.total_size * 1024;
> flashrom_flash_getsize() ?

That's a good idea, and gives more coverage :)

https://review.coreboot.org/c/flashrom/+/59532/comment/47ec7e9c_08d74bb8 
PS3, Line 464:
> trim

Done

https://review.coreboot.org/c/flashrom/+/59532/comment/c0be707c_f73d21d1 
PS3, Line 468: 	printf("Extract layout operation done.\n");
> you probably want to validate buf now contains the read content? […]

Done