%B Software Engineering and Formal Methods %S Lecture Notes in Computer Science %P 3-17 %I Springer %E EB Johnsen %E I Schaefer %J SOFTWARE ENGINEERING AND FORMAL METHODS, SEFM 2018 %C Cham, Switzerland %L discovery10058916 %V 10886 %T We Need a Testability Transformation Semantics %D 2018 %O This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. %X This paper (This paper is a brief outline of some of the content of the keynote by the author at the 16th International Conference on Software Engineering and Formal Methods (SEFM 2018) in Toulouse, France; 27th–29th June 2018.) briefly reviews Testability Transformation, its formal definition, and the open problem of constructing a set of formal test adequacy semantics to underpin the current practice of deploying transformations to help testing and verification activities. %A M Harman