R version 4.6.0 RC (2026-04-21 r89932 ucrt) -- "Because it was There"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(DiagrammeR)
> 
> test_check("DiagrammeR")
[ FAIL 0 | WARN 0 | SKIP 24 | PASS 1808 ]

══ Skipped tests (24) ══════════════════════════════════════════════════════════
• On CRAN (24): 'test-add_forward_reverse_edges.R:48:1',
  'test-add_graphs.R:3:1', 'test-add_graphs.R:223:1',
  'test-add_graphs.R:1706:1', 'test-add_nodes_edges_from_table.R:268:1',
  'test-cache_attrs.R:3:1', 'test-colorize_nodes_edges.R:219:1',
  'test-create_combine_nodes.R:3:1', 'test-create_subgraph.R:3:1',
  'test-delete_node_edge.R:255:1',
  'test-get_select_last_nodes_edges_created.R:75:1',
  'test-graph_series.R:323:1', 'test-graph_validation.R:3:1',
  'test-graph_validation.R:234:1', 'test-graph_validation.R:292:1',
  'test-render_graph.R:3:3', 'test-selections.R:1:1',
  'test-set_get_node_edge_attrs.R:236:1', 'test-similarity_measures.R:1:1',
  'test-similarity_measures.R:113:1', 'test-transform_graph.R:98:1',
  'test-transform_graph.R:262:1', 'test-trav_out_until.R:1:1',
  'test-traversals.R:3:1'

[ FAIL 0 | WARN 0 | SKIP 24 | PASS 1808 ]
> 
> proc.time()
   user  system elapsed 
  46.35    4.79   51.26