On some networks, it's possible to have a DNS search domain pushed that
might make what is an invalid hostname succeed a DNS query.
In this case, invalid.com has a wildcard DNS entry and it would make this
test fail. Using a FQDN instead prevents search domains from being used.
Bug: none
Change-Id: I013f012db147b9c428b18d60e94a615153f199a5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/237810
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35355}
c09b14c3c5