Bonita BPM Studio contains several features that you can use to verify your process while it is in development.
You can validate a process diagram: choose Validate from the Diagram menu, or go to the Details panel, Validation status tab and click Refresh. The Details panel contains a list of warnings and errors indicating things to correct in the diagram. Click on a row in the list to highlight the relevant item in the diagram.
You can test some process components individually: