[devicelab] fix concurrent hot reload test: stderr != failure (#59784)
The tool needs to start outputing trace text to stderr to avoid breaking machine mode. This test is bogus, and should use the exit code.
J
Jonah Williams committed
d4e1448b95648820ac503012e22f0118607dc98d
Parent: df02518
Committed by GitHub <noreply@github.com>
on 6/18/2020, 6:15:45 PM