*/
@Test
public void testPlainLiteralToTextConversion(){
String field = "urn:test.RdfRepresentation:test.field";
PlainLiteral noLangLiteral = new PlainLiteralImpl("A plain literal without Language");
PlainLiteral enLiteral = new PlainLiteralImpl("An english literal",new Language("en"));
PlainLiteral deLiteral = new PlainLiteralImpl("Ein Deutsches Literal",new Language("de"));
PlainLiteral deATLiteral = new PlainLiteralImpl("Ein Topfen Verband hilft bei Zerrungen",new Language("de-AT"));
Collection<PlainLiteral> plainLiterals = Arrays.asList(noLangLiteral,enLiteral,deLiteral,deATLiteral);
Representation rep = createRepresentation(null);
rep.add(field, plainLiterals);
//now test, that the Plain Literals are available as natural language
//tests via the Representation Interface!