public void testDoRunForEmtpyNewHypertext() {
//setup
String newTermContent = "foo";
Hypertext oldHypertext = EMFfitModelFactory.eINSTANCE.createHypertext();
String oldHypertextIdentifier = oldHypertext.getIdentifier();
Term term = EMFfitModelFactory.eINSTANCE.createTerm();
term.setVisibleContent(newTermContent);
oldHypertext.getContent().add(term);
Hypertext newEmptyHypertext = EMFfitModelFactory.eINSTANCE.createHypertext();
//run command
new UpdateHypertextContentsCommand(oldHypertext, newEmptyHypertext)
.runWithoutUnicaseCommand();