Abstract
This paper presents a scenario-based approach to specify requirements and tests by extending Behavior-Driven Development (BDD) with the aim of ensuring the consistency between user requirements and user interface design artifacts. The approach has been evaluated by exploiting user requirements specified by a group of potential Product Owners (POs) for a web system to book business trips. Such requirements gave rise to a set of User Stories that have been refined and used to automatically check the consistency of task models, user interface (UI) prototypes, and final UIs of the system. The results have shown our approach was able to identify different types of inconsistencies in the set of analyzed artifacts and consistently keep the semantic traces between them.
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