[LMS-2036] more tests; leftovers from [LMS-2050]

.../application/ui/managed_property/ManagedPropertyGrid.java

.../generic/shared/basic/dto/ManagedUiActionDescription.java

...penbis/generic/shared/basic/dto/ManagedUiDescription.java

...ric/shared/basic/dto/ManagedUiTableActionDescription.java

...penbis/generic/shared/basic/dto/api/IManagedUiAction.java

...s/generic/shared/basic/dto/api/IManagedUiDescription.java

...s/generic/shared/basic/dto/api/IManagedUiTableAction.java

...ss/bo/managed_property/EntityInformationProviderTest.java

...systemsx/cisd/openbis/generic/shared/CommonTestUtils.java

...shared/managed_property/ManagedPropertyEvaluatorTest.java