1. A computerized apparatus comprising: a processor; first interface for obtaining a first test template and a second test template; second interface for obtaining a combination definition; and a combination module configured to generate a combination test template, the combination test template is configured to execute a first test associated with the first test template and a second test associated with the second test template in accordance with the combination definition, the combination test template is associated with a circuit; wherein the combination definition comprises an identification of a test template and an at least one identification of a processing unit designated to perform a test associated with the test template.