Scripted GUI Testing of Android Open-Source Apps: Evolution of Test Code and Fragility Causes Riccardo Coppola, Maurizio Morisio, Marco Torchiano, Luca Ardito (2019) Scripted GUI Testing of Android Open-Source Apps: Evolution of Test Code and Fragility Causes, In: EMPIRICAL SOFTWARE ENGINEERING, pp. 3205-3248, ISSN: 1382-3256