String field = "urn:the.field:used.for.this.Test";
String testValue = "This is a test";
Yard yard = getYard();
// use both ways to add the two Representations (should make no differences,
// but one never can know ...
Representation test1 = yard.create(id); // create and add
Representation test2 = yard.getValueFactory().createRepresentation(id2); // create
test2.add(field, testValue); // add value
yard.store(test2);// store
assertTrue(yard.isRepresentation(test1.getId())); // test if stored
assertTrue(yard.isRepresentation(test2.getId()));