Merged revision(s) 7774-7777 from branches/Release/16_4: Removed validation whether the failuremechanism contains any sections to enable or disable the Validate(All) and Calculate(All) buttons in the context menu: - Adjusted affected tests: assessment section mocks --> stubs - Removed obsolete tests that assert the behavior when a section is set or not - Added missing validation tests for the GroupContext - Cleaned up tests: -- Removed geometry definitions for the failure mechanism sections -- Replaced resource assertions with explicit string messages ........ Removed validation for the ClosingStructures whether the failuremechanism contains any sections to enable or disable the Validate(All) and Calculate(All) buttons in the context menu: - Adjusted affected tests: assessment section mocks --> stubs, because property getter of AssessmentSection.HydraulicBoundaryDatabase is called - Removed obsolete tests that assert the behavior when a section is set or not - Cleaned up tests: -- Removed geometry definitions for the failure mechanism sections -- Renamed parameters such that suffices -Stub and -Mock are dropped