CI: move lava_dispatcher device test samples under tests

Signed-off-by: Rémi Duraffort <remi.duraffort@linaro.org>
15 jobs for devices-samples in 10 minutes and 20 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #47608
amd64
dispatcher-debian-10

00:03:23

passed #47606
amd64
dispatcher-debian-9

00:03:36

passed #47609
amd64
server-debian-10

00:01:57

passed #47607
amd64
server-debian-9

00:02:15

 
  Analyze
passed #47611
amd64
black

00:00:35

passed #47613
amd64
code_quality

00:00:40

passed #47612
amd64
codestyle

00:00:37

passed #47615
amd64
job-schema

00:01:16

passed #47614
amd64
pylint

00:02:37

passed #47610
amd64-dind allowed to fail
sast

00:02:09

 
  Build
passed #47618
amd64
amd64/pkg-debian-10

00:01:31

passed #47617
amd64
amd64/pkg-debian-9

00:01:53

passed #47616
amd64
doc

00:01:37

 
  Docker
passed #47619
amd64-dind
amd64/lava-dispatcher

00:01:26

passed #47620
amd64-dind
amd64/lava-server

00:02:12