EDIT

cleanup

remove created data from test data

ref #6581 remove unnecessary nomenclaturalReference_ids from test data

remove null values from test with in Reference, TypeDesginationBase and Person

delete null values for updated, createdBy, updatedBy, LSID and some TaxonName attributes from testdata

ref #6581 fix further tests

ref #6581 fix persistence tests (except for 1)

ref #9194, ref #6581 remove null values for CitationMicroReference and OriginalNameString from test data

ref #9194, ref #6581 use DescriptionElementSource for SingleSourcedEntityBase

fix #9081 cleaning up tests using "00000000" (cont.)