Testing Software and Systems 30th IFIP WG 6.1 International Conference, ICTSS 2018, Cádiz, Spain, October 1-3, 2018, Proceedings - Medina-Bulo, Inmaculada; Medina-Bulo, Inmaculada; Merayo, Mercedes G.; Merayo, Mercedes G.; Hierons, Robert; Hierons, Robert (Springer International Publishing : Imprint: Springer, 2018)