UPSTREAM: tests: run-tests: Do not use sudo if already root

Among other things, sudo can disrupt environment variables that a caller
provides.

Signed-off-by: Brian Norris <briannorris@chromium.org>
(cherry picked from commit 4b0bf0ec6efe6015aa6a9792ce1fb65bdc7f7548)

BUG=none
TEST=hwsim dbus tests

Change-Id: I238c86d80109b5c2e2f90be53aad9967d570d68e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hostap/+/2601287
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Kevin Lund <kglund@google.com>
Tested-by: Brian Norris <briannorris@chromium.org>
Commit-Queue: Brian Norris <briannorris@chromium.org>
1 file changed