Convert ISBNs
  ✅ should return null if isbn10 not valid
  ✅ should return null if isbn13 not valid
  ✅ should return valid isbn10 from isbn13
  ✅ should return valid isbn13 from isbn10
generateIdenfierState
  ✅ should return correctly formatted identifier state
getIdByField
  ✅ should return null if item does not exists
  ✅ should return the ID for an existing item
getNextEnabledAndResultsArray
  ✅ should return an array of required length and nextEnabled:false when results.length < size
  ✅ should return an array of required length and nextEnabled:false when results.length = 0
  ✅ should return an array of required length and nextEnabled:false when results.length = size
  ✅ should return an array of required length and nextEnabled:true when results.length > size
  ✅ should return an array of required length and nextEnabled:true when results.length > size and results.length - size > 1
parseLanguages
  ✅ should return correctly formatted languages state
searchOption
  ✅ should return correct option if match found
  ✅ should return null if no exact match found
stringToHTMLWithLinks
  ❌ should convert a string with a single http link to a clickable link
	expected undefined to equal '<span><a href="http://example.com" ta…'
  ❌ should convert a string with multiple http links to clickable links
	expected undefined to equal '<span><a href="http://example.com" ta…'
  ❌ should handle links enclosed within parentheses correctly
	expected undefined to equal '<span><span>(</span><a href="http://e…'
  ❌ should handle links with balanced parentheses correctly
	expected undefined to equal '<span><a href="https://da.wikipedia.o…'
  ❌ should handle links with balanced parentheses enclosed in a paranthesis correctly
	expected undefined to equal '<span><span>(source: </span><a href="…'