[LMS-653] add: - Unit tests for 'VocabularyDAO'.

...d/openbis/generic/client/web/client/application/Dict.java

...pplication/ui/property_type/PropertyTypeRegistration.java

...isd/openbis/generic/client/web/client/dto/Vocabulary.java

...ic/client/web/server/translator/VocabularyTranslator.java

...isd/openbis/generic/server/dataaccess/IVocabularyDAO.java

...d/openbis/generic/server/dataaccess/db/VocabularyDAO.java

...java/ch/systemsx/cisd/openbis/public/common-dictionary.js

...enbis/generic/server/dataaccess/db/VocabularyDAOTest.java