Attempt to sidestep bogus test hang failures.
Attempt to sidestep bogus test hang failures.

- Delays the write operation slightly to avoid delaying the connection establishment
- Extends the watchdog timeout to 2 seconds

gedaiu/vibe.d,etcimon/vibe.d,Geod24/vibe.d,etcimon/vibe.d,chalucha/vibe.d,rejectedsoftware/vibe.d,DBankov/vibe.d