To clarify, yes, they work but so do the others mentioned.    As noted by several people on the HAL forum with firsthand experience, the US government test used with any of several online proctoring sites is accepted by HAL for cruise testing.  Not just the eMed/Abbot Binax Now (for example)   See post #12 above by @rubytue and quote #5 by @Gray Lady in this link:    
    • Like
    1