Package check result: ERROR

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Juan Pablo Acuña González <22253567@uagro.mx>’
  
  New maintainer:
    Juan Pablo Acuña González <22253567@uagro.mx>
  Old maintainer(s):
    Juan Pablo Acuña González <acua6307@gmail.com>

Check: tests, Result: ERROR
    Running ‘testthat.R’ [49s/49s]
  Running the tests in ‘tests/testthat.R’ failed.
  Complete output:
    > # 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(viralmodels)
    > 
    > test_check("viralmodels")
    
    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
    
    
    Attaching package: 'magrittr'
    
    The following objects are masked from 'package:testthat':
    
        equals, is_less_than, not
    
    Loading required package: parsnip
    Loading required package: Matrix
    Loaded glmnet 4.1-8
    i Creating pre-processing data to finalize unknown parameter: mtry
    ! Fold1, Repeat1: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold1, Repeat1: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold2, Repeat1: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold2, Repeat1: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold3, Repeat1: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold3, Repeat1: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold4, Repeat1: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold4, Repeat1: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold5, Repeat1: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold5, Repeat1: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold1, Repeat2: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold1, Repeat2: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold2, Repeat2: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold2, Repeat2: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold3, Repeat2: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold3, Repeat2: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold4, Repeat2: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold4, Repeat2: internal: A correlation computation is required, but `estimate` is constant and ha...
    ! Fold5, Repeat2: preprocessor 1/1, model 1/2:
      ! 40 samples were requested but there were 28 rows in the data.
      i 28 samples will be used.
    ! Fold5, Repeat2: internal: A correlation computation is required, but `estimate` is constant and ha...
    [ FAIL 1 | WARN 23 | SKIP 3 | PASS 0 ]
    
    ══ Skipped tests (3) ═══════════════════════════════════════════════════════════
    • On CRAN (3): 'test-viralmodel.R:32:3', 'test-viralpreds.R:34:3',
      'test-viraltab.R:31:3'
    
    ══ Failed tests ════════════════════════════════════════════════════════════════
    ── Error ('test-viralvis.R:31:3'): `viralvis()` plots as expected ──────────────
    <packageNotFoundError/error/condition>
    Error in `loadNamespace(x)`: there is no package called 'vdiffr'
    Backtrace:
        ▆
     1. └─base::loadNamespace(x) at test-viralvis.R:31:3
     2.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
     3.     └─base (local) withOneRestart(expr, restarts[[1L]])
     4.       └─base (local) doWithOneRestart(return(expr), restart)
    
    [ FAIL 1 | WARN 23 | SKIP 3 | PASS 0 ]
    Deleting unused snapshots:
    • viralvis/viralvis.svg
    Error: Test failures
    Execution halted