Yes - my blocks look exactly like that (I only implemented the first set of blocks for the happyButton - and couldn't get it to work). See image of my code and the embedded tutorial step. .
By saving the project, then going back to the Designer tab and clicking the happyButton. I assumed it could be developed and tested w/in the web-based version...
Suggest you go back and work through the "Connect App" steps in the tutorial. You will need to connect your app project to the built-in emulator or a device running the companion app. That is where you test it.
(you can also set up an android emulator such as Genymotion or memuplay to run the companion app)