A lot of tests are skipped [ FAIL 0 | WARN 0 | SKIP 37 | PASS 49 ]

[barracuda156]

Is there some specific reason to skip almost the half of tests?

R version 4.4.1 (2024-06-14) -- "Race for Your Life"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: powerpc-apple-darwin10.0.0d2 (32-bit)

> library(testthat)
> 
> library(CausalQueries)
Loading required package: Rcpp
> 
> test_check("CausalQueries")
[ FAIL 0 | WARN 0 | SKIP 37 | PASS 49 ]

══ Skipped tests (37) ══════════════════════════════════════════════════════════
• On CRAN (35): 'test_data_helpers.R:9:1', 'test_data_strategy.R:9:1',
  'test_draw_causal_type.R:5:1', 'test_get_ambiguity_matrix.R:8:1',
  'test_get_causal_types.R:8:1', 'test_get_event_prob.R:9:1',
  'test_get_nodal_types.R:9:1', 'test_get_query_types.R:8:1',
  'test_get_type_prob.R:8:1', 'test_get_types.R:8:1', 'test_grab.R:4:1',
  'test_helpers.R:7:1', 'test_layering.R:9:1', 'test_lookuptype.R:10:1',
  'test_make_data.R:4:1', 'test_make_events.R:5:1', 'test_make_model.R:3:1',
  'test_map_query_to_causal_types.R:8:1', 'test_map_query_to_nodal_type.R:9:1',
  'test_misc.R:8:1', 'test_observe.R:9:1', 'test_parmap.R:3:1',
  'test_plot_dag.R:3:1', 'test_prep_stan_data.R:8:1',
  'test_query_helpers.R:8:1', 'test_query_model.R:4:1',
  'test_restrictions.R:8:1', 'test_reveal_outcomes.R:8:1',
  'test_set_confound.R:3:1', 'test_set_parameter_matrix.R:3:1',
  'test_set_parameters.R:8:1', 'test_set_prior_distribution.R:3:1',
  'test_set_priors.R:4:1', 'test_set_restrictions.R:6:1',
  'test_update_model.R:9:1'
• empty test (2): 'test_get_posterior_distribution.R:9:1',
  'test_get_posterior_distribution.R:19:1'

[ FAIL 0 | WARN 0 | SKIP 37 | PASS 49 ]
> 
> if (length(strsplit(packageDescription("CausalQueries")$Version, "\\.")[[1]]) > 3) {
+   Sys.setenv("RunAllRcppTests"="yes")
+ }
> 
> proc.time()
   user  system elapsed 
 23.091   0.874  25.135 

Version of CausalQueries used: 9d6da89