UMLTP23 — Test design technique structures

There are predefined test design techniques in the spec but don't have predefined test design technique structures to be the classifiers of the instances

TestDesignTechniqueStructure can be used for that purpose

UTP 2 defines the concept of a TestDesignTechniqueStructure, an extension of Classifier. This enables the modeler to use e.g., a <<TestDesignTechniqueStructure>> Class and to classify a <<TestDesignTechique>> InstanceSpecification. By doing so any additional required or desired structural element can be added to a test design technique, in addition to the tagged values provided by the concrete applied sub-stereotype of <<TestDesignTechnique>>