Updated signature of AssessmentSection Removed 'default norm' from FailureMechanismContribution Extended storage tests to assert norm values Introduced FailureMechanismContributionTestFactory for creating a valid FailureMechanismContribution XMLdoc added Related to Issue [WTI-1364] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@11827 5a3db67b-de53-47b5-99c8-a1c30a6650e2