I was having the exact same problem. I made it through the course without much of an issue until this very last test. I knew it was probably a simple query as you've shown here, but I couldn't come up with it. My first thought was to use "apoc.merge...
Minor thing on the Graph Data Modeling beginners course: they misidentify a couple of things in the section "Purpose of the model" as camelCase. This is particularly confusing when the video differentiates "CamelCase" from "camelCase" when referring ...