private void mockReposFor(GHPerson person, List<String> repositoryNames) throws IOException { List<GHRepository> repositories = repositoryListOf(repositoryNames); PagedIterable<GHRepository> pagedRepositories = PowerMockito.mock(PagedIterable.class); PowerMockito.when(person.listRepositories()).thenReturn(pagedRepositories); PowerMockito.when(pagedRepositories.asList()).thenReturn(repositories); };