fix tests related to source changes
add test for LookupEntryTranslator
refactor translation of lookup ref lists
Ensure LookupEntry ref lists contain exact self ref
Merge branch 'healing-lookup-entries' into stage

* healing-lookup-entries:
  Ensure LookupEntry ref lists contain exact self ref
  refactor translation of lookup ref lists
  add test for LookupEntryTranslator
  fix tests related to source changes