Change in flashrom[master]: tests: Add run_probe_lifecycle and add dummyflasher probe test

[Nico Huber (Code Review)]

Attention is currently required from: Thomas Heijligen, Anastasia Klimchuk.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/59741 )

Change subject: tests: Add run_probe_lifecycle and add dummyflasher probe test
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Patch Set 4:

(1 comment)

File tests/lifecycle.c:

https://review.coreboot.org/c/flashrom/+/59741/comment/6a6cbfcd_19b978e8 
PS4, Line 34: 	flashrom_flash_release(flashctx); /* cleanup */
> Or aborts `assert_int_equal` the test?

I was about to ask the same question :)

If this line is executed on failure too, we need the `NULL` initialization
because flashrom_flash_probe() might not set any value on failure (unless
documented otherwise). If it's not executed, the value doesn't matter ofc.