That's surprising to me, because the author of that book recently re-advertised his long post about a hard-line definition of a "unit" test https://www.artima.

That's surprising to me, because the author of that book recently re-advertised his long post about a hard-line definition of a "unit" test https://www.artima.com/weblogs/viewpost.jsp?thread=126923 https://www.artima.com/weblogs/viewpost.jsp?thread=126923 I think the properties you list are good ones, but if you drop the word unit from your post the advice is just as good and you can't get mired in ontological discussions