Merge branch '15026-cloudtest'

refs #15026

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tclegg@veritasgenetics.com>

diff --cc lib/config/config.default.yml
Simple merge

diff --cc lib/config/generated_config.go
Simple merge

diff --cc lib/dispatchcloud/dispatcher_test.go
Simple merge

diff --cc lib/dispatchcloud/driver.go
Simple merge

diff --cc lib/dispatchcloud/worker/pool.go
Simple merge