assertEquals(3, survey.getPages().size());
assertEquals(2, survey.getTotalPagesExcludingSkipped());
assertEquals(0, survey.getCurrentPageNumber());
assertEquals(0, survey.getCurrentPageNumberExcludingSkipped());
survey.goToNextPage();
assertEquals(2, survey.getCurrentPageNumber()); //we skipped a page
assertEquals(1, survey.getCurrentPageNumberExcludingSkipped());
assertTrue(survey.isLastPageAndComplete());
survey.goToPreviousPage();
assertEquals(0, survey.getCurrentPageNumber());