Pressing run_right on a block without an output block will run the executed block first which will fail because it did not run dependencies, it also leaves dependency blocks in green highlight.
Here's an example (I pressed run_right on the right block):

Pressing run_right on a block without an output block will run the executed block first which will fail because it did not run dependencies, it also leaves dependency blocks in green highlight.
Here's an example (I pressed run_right on the right block):
