Log message is displayed when opening a DAMX file containing an obsolete piping model (Sellmeijer or Sellmeijer 4 forces).Unit test added.Related to Issue [MWDAM-1915]
Unit test added to handle validation error message for SigmaTau curve.Unit test is ignored because does not produce the expected result, will be solved in other issueRelated to Issue [MWDAM-2061]