Looks like a “special case” for the twitchmedia set of test channels.
Poking aroung some “regular” search tests/examples I can’t find a fault for any “real” channels.
If it’s got twitchmedia or starts twitch or qa_ then it’s likely a test channel which normally doesn’t follow the “normal” rules so they’ll pop up in the api weirdly
And for example twitchmedia_tsm_x_9 just went live as I had it open. So I guess it flicks on/off quicker than the search cache can stay up to date.