Because "tty" is closed in s.d.Stop() for "--raw-logs=false" test,
we need to open another pair of pty before test "--raw-logs=true"
option.
This patch fix#29772.
Signed-off-by: Jiuyue Ma <majiuyue@huawei.com>
Upstream-commit: c9e0d923ae6d2b5558378183b79d0a85ccf16020
Component: engine