@Test
public void updateCommentTest() {

    Comment comment1Update = commentFactory.createNew(VALUE_FACTORY.createIRI("http://mobi.com/test/comments#1"));
    comment1Update.setProperty(VALUE_FACTORY.createLiteral("Comment1Update"), VALUE_FACTORY.createIRI(_Thing.description_IRI));
    manager.updateComment(comment1Update.getResource(), comment1Update);
    verify(utilsService).validateResource(eq(comment1Update.getResource()), eq(commentFactory.getTypeIRI()), any(RepositoryConnection.class));
    verify(utilsService).updateObject(eq(comment1Update), any(RepositoryConnection.class));
}