[M] Change in coreboot[master]: tests: Add support for tests build failures detection

[Jakub Czapiga (Code Review)]

Attention is currently required from: Martin L Roth, Jakub Czapiga, Julius Werner.

Hello build bot (Jenkins), Martin L Roth, Patrick Georgi, Julius Werner,

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

https://review.coreboot.org/c/coreboot/+/67372

to look at the new patch set (#4).

Change subject: tests: Add support for tests build failures detection
......................................................................

tests: Add support for tests build failures detection

This patch introduces new target: junit.xml-unit-tests, which builds and
runs unit-tests. It also creates build log containing build logs. This
feature allows for one to see build failures in Jenkins dashboard.

Signed-off-by: Jakub Czapiga 
Change-Id: I94184379dcc2ac10f1a47f4a9d205cacbeb640fe
---
M payloads/libpayload/tests/Makefile.inc
M tests/Makefile.common
M tests/Makefile.inc
M util/testing/Makefile.inc
4 files changed, 113 insertions(+), 12 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/67372/4