+ Failing test step updated
Fix unit test that fails on some computers.
Revert "Fix unit test that fails on some computers."

This reverts commit 92ab200542340fc5dc96d022e6c918c7ae711780.
+ Wording updated
Refs: #17685
RDFVocabularyImportServiceTest.testIfConceptsAndElementsUpdatedAfterPurge() was failing if "dd.working.language" was not specified.
Merge branch 'master' of https://github.com/eea/eionet.datadict
Make it clear what kind of values can be entered into "dd.working.language".
Merge branch 'master' of https://github.com/eea/eionet.datadict
Merge branch 'master' into switch_type_19361