A couple things need to be clarified when one says that a projector "passes" a difficult dark scene test. That doesn't mean the same thing from one person to another and one should be clear about what one means. For instance.
LHK's pass may mean that dark scenes are rendered in such a way that every shadow detail is clearly visible and nothing is hidden.
RPQ pass may mean that black is infinitely black and without any hint of light regardless of how much shadow detail is hidden.
JRP's pass may mean that all shadow detail down to black are visible, but even blacker than black material is (artificially) also visible.
PRJ's pass can mean that the projector shows excellent saturation of color in shadows and dark details.
Me, I'd say that the projector passes my dark scene test if it renders black such that it is perceived as black and shadow details which should be seen are seen, shadow details which are not supposed to be seen are not seen, and good color saturation is maintained even in dark image areas. I also am very much more likely to judge things using material filmed with actual, live scenes rather than computer generated scenes which have no actual "real" appearance. Do you have an inherent feel for how well one can actually see Orcs in a huge cavern? I surely don't because it doesn't have a real life referent, but I DO have a sense for how the riverside looks in New York at night. That means a some material I chose to test low APL performance isn't very exciting to movie enthusiasts. For instance, I like the Autumn in New York because it has a lot of actual dark outdoor scenes (as well as bright ones) with which to compare the rendered image against real life experience. Judging using CGI is like saying that the projector produces realistic colors because Monsters Inc. looked great.
Anyway, back to the main topic.... Difference between what one means by "passes" can vary a lot so I'd invite everyone to be very explicit about what they mean and also consider using material with a real life analog.