The key noteable in the EAS test was in the wording... the United States AND Washington DC
Don't let that detail slide by you..
Edit:
Video of live feed as it happened:
https://files.catbox.moe/34cmri.mp4
Recorded on OTA antenna, the signal started to break up as the EAS started.
Hmm. Well, thanks: asked and answered. Must be because DC is just special. (Puerto Rico, not so much, no storms likely there this year, with AOC's family all set up already.)