Running 'spelling.R'
  Running 'testthat.R'
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > if (require("testthat")) {
  +   library(see)
  + 
  +   osx <- tryCatch(
  +     {
  +       si <- Sys.info()
  +       if (!is.null(si["sysname"])) {
  +         si["sysname"] == "Darwin" || grepl("^darwin", R.version$os)
  +       } else {
  +         FALSE
  +       }
  +     },
  +     error = function(e) {
  +       FALSE
  +     }
  +   )
  + 
  +   if (!osx) {
  +     test_check("see")
  +   }
  + }
  Loading required package: testthat
  Warning: Heteroscedasticity (non-constant error variance) detected (p = 0.042).
  OK: Variances in each of the groups are the same (Bartlett Test, p = 0.226).
  Loading required package: vdiffr
  Loading required package: modelbased
  
  Attaching package: 'modelbased'
  
  The following object is masked from 'package:correlation':
  
      visualisation_recipe
  
  Loading required package: rstanarm
  Loading required package: bayestestR
  Loading required package: rstanarm
  Loading required package: rstanarm
  Loading required package: nFactors
  Loading required package: lattice
  
  Attaching package: 'nFactors'
  
  The following object is masked from 'package:lattice':
  
      parallel
  
  Loading required package: rstanarm
  Loading required package: rstanarm
  Loading required package: rstanarm
  Loading required package: rstanarm
  Loading required package: rstanarm
  Loading required package: dplyr
  
  Attaching package: 'dplyr'
  
  The following object is masked from 'package:testthat':
  
      matches
  
  The following objects are masked from 'package:stats':
  
      filter, lag
  
  The following objects are masked from 'package:base':
  
      intersect, setdiff, setequal, union
  
  Loading required package: tidyr
  
  Attaching package: 'tidyr'
  
  The following object is masked from 'package:testthat':
  
      matches
  
  Loading required package: vdiffr
  Loading required package: vdiffr
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (test-plot.n_factors.R:7:5): `plot.see_n_factors()` works ─────────────
  Error: there is no package called 'vdiffr'
  Backtrace:
      █
   1. └─base::loadNamespace(x) test-plot.n_factors.R:7:4
   2.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   3.     └─base:::withOneRestart(expr, restarts[[1L]])
   4.       └─base:::doWithOneRestart(return(expr), restart)
  
  [ FAIL 1 | WARN 11 | SKIP 0 | PASS 27 ]
  Deleting unused snapshots:
  * _snaps/plot.check_normality/check-normality-works-lm-density.svg
  * _snaps/plot.check_normality/check-normality-works-lm-pp.svg
  * _snaps/plot.check_normality/check-normality-works-lm-qq.svg
  * _snaps/plot.check_normality/check-normality-works-lmer-fixed.svg
  * _snaps/plot.check_normality/check-normality-works-lmer-random.svg
  * _snaps/plot.n_factors/bar-graph.svg
  * _snaps/plot.n_factors/line-graph.svg
  * _snaps/vdiffr_figs/coord-radar-works.svg
  * _snaps/vdiffr_figs/geom-point2-works.svg
  * _snaps/vdiffr_figs/geom-poolpoint-works-1.svg
  * _snaps/vdiffr_figs/geom-poolpoint-works-2.svg
  * _snaps/vdiffr_figs/geom-violindot-works.svg
  * _snaps/vdiffr_figs/geom-violinhalf-works.svg
  * _snaps/vdiffr_figs/plot-see-bayesfactor-models-works-1.svg
  * _snaps/vdiffr_figs/plot-see-bayesfactor-models-works-2.svg
  * _snaps/vdiffr_scale_color/scale-color-bluebrown-d-works.svg
  * _snaps/vdiffr_scale_color/scale-color-flat-c-works.svg
  * _snaps/vdiffr_scale_color/scale-color-pizza-c-works.svg
  * _snaps/vdiffr_scale_color/scale-color-pizza-d-works.svg
  * _snaps/vdiffr_scale_color/scale-color-social-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-flat-d-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-material-c-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-material-d-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-metro-c-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-metro-d-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-see-c-works.svg
  * _snaps/vdiffr_scale_color/scale-fill-see-d-works.svg
  Error: Test failures
  Execution halted