test_that("plot.select_coglasso and plot.coglasso work", {
  withr::with_seed(42, {
    # plot.coglasso
    cg <- coglasso(multi_omics_sd_small, p = 14, nlambda_w = 5, nlambda_b = 5,
               nc = 2, lambda_w_min_ratio = 0.4, lambda_b_min_ratio = 0.5, verbose = FALSE)
    expect_no_error(plot(cg, index_c = 2, index_lw = 1, index_lb = 5))
    expect_no_error(plot(cg, index_c = 2, index_lw = 1, index_lb = 5, node_labels = FALSE, hide_isolated = FALSE))
    # plot.select_coglasso
    sel_cg <- select_coglasso(cg, rep_num = 3, verbose = FALSE)
    expect_no_error(plot(sel_cg))
    expect_no_error(plot(sel_cg, node_labels = FALSE, hide_isolated = FALSE))
  })
})

test_that("get_fillsframes works with more than 6 data sets", {
  expect_no_error(get_fillsframes(7))
})