test: Add TestJobRestartBackoffPolicy

Signed-off-by: Lewis Marshall <lewis@lmars.net>
controller: Remove scheduler tests

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Keep correct client after controller restarts

Signed-off-by: Lewis Marshall <lewis@lmars.net>
fixup! test: Remove booted hosts
host: WIP Add logging to sampi RegisterHost

Signed-off-by: Lewis Marshall <lewis@lmars.net>
fixup! test: Remove booted hosts