@Test
public void createReplyCommentParentDoesNotExistTest() {

    thrown.expect(IllegalArgumentException.class);
    String commentStr = "This is a test comment.";
    manager.createComment(request1.getResource(), user1, commentStr, DOES_NOT_EXIST_IRI);
    verify(utilsService).optObject(eq(DOES_NOT_EXIST_IRI), eq(mergeRequestFactory), any(RepositoryConnection.class));
}