* Final parts of persisting the CalculationGroups and enabling it in the application: ** Extended PipingFailureMechanism related Create, Read and Update methods to persist/read the CalculationGroup structure. ** Extended AssessmentSectionEntityRead to copy the CalculationGroup data into a PipingFailureMechanism instance. * Refactored test names to be more consistent with naming conventions (was often lacking the ###Extensions part in the name) Related to Issue [WTI-471]