@Test
public void deleteMergeRequestTest() {

    try (RepositoryConnection conn = repo.getConnection()) {
        manager.deleteMergeRequest(request1.getResource(), conn);
    }
    verify(utilsService, times(13)).validateResource(any(Resource.class), eq(commentFactory.getTypeIRI()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(comment1.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(comment2.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(comment3.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(comment4.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(commentA.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(commentB.getResource()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(commentC.getResource()), any(RepositoryConnection.class));
    verify(utilsService).validateResource(eq(request1.getResource()), eq(mergeRequestFactory.getTypeIRI()), any(RepositoryConnection.class));
    verify(utilsService).remove(eq(request1.getResource()), any(RepositoryConnection.class));
}