In jbpm workbench, modify the getComments method in RemoteCaseManagementServiceImpl class to accept page and pageSize parameters: RemoteCaseManagementServiceImpl.java @Override public List<CaseCommentSummary> getComments( final String serverTemplateId, final String containerId, final String caseId, final int page, final int pageSize) { final List<CaseComment> caseComments = client.getComments(containerId, caseId, page, pageSize); return caseComments.stream().map( new CaseCommentMapper()).collect(toList()); } The following tests fail: RemoteCaseManagementServiceImplTest.java @Test public void testGetComments_getFirstPage() { int page = 0; int pageSize = 20; List<CaseComment> commentList = new ArrayList<>(); for ( int i = 0; i < 35; i++) { CaseComment caseComment = createTestComment(); commentList.add(caseComment); } when(clientMock.getComments(containerId, caseId, page, pageSize)).thenReturn(commentList); final List<CaseCommentSummary> commentsFromService = testedService.getComments(serverTemplateId, containerId, caseId, page, pageSize); assertNotNull(commentsFromService); assertEquals(20, commentsFromService.size()); } @Test public void testGetComments_getSecondPage() { int page = 1; int pageSize = 20; List<CaseComment> commentList = new ArrayList<>(); for ( int i = 0; i < 35; i++) { CaseComment caseComment = createTestComment(); commentList.add(caseComment); } when(clientMock.getComments(containerId, caseId, page, pageSize)).thenReturn(commentList); final List<CaseCommentSummary> commentsFromService = testedService.getComments(serverTemplateId, containerId, caseId, page, pageSize); assertNotNull(commentsFromService); assertEquals(15, commentsFromService.size()); } java.lang.AssertionError: expected:<20> but was:<35> java.lang.AssertionError: expected:<15> but was:<35>