1. A tester for testing an electronic system, comprising: a traffic interface to receive traffic from a test of an electronic system; an element comparator to extract a value from an element of the traffic and to compare the extracted element value with an element value obtained from another test of another electronic system; and a test result generator to generate consensus information on the interoperability of the electronic system, based on comparing the extracted element values of the electronic system with the element values obtained from the other test of the other electronic system.