Running 'testthat.R' [44s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(sperrorest)
  > 
  > test_check("sperrorest")
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/utf8_1.1.4.zip'
  Content type 'application/zip' length 194708 bytes (190 KB)
  ==================================================
  downloaded 190 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/fansi_0.4.0.zip'
  Content type 'application/zip' length 187001 bytes (182 KB)
  ==================================================
  downloaded 182 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/pillar_1.3.1.zip'
  Content type 'application/zip' length 88737 bytes (86 KB)
  ==================================================
  downloaded 86 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/pkgconfig_2.0.2.zip'
  Content type 'application/zip' length 19966 bytes (19 KB)
  ==================================================
  downloaded 19 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/tibble_2.0.1.zip'
  Content type 'application/zip' length 644216 bytes (629 KB)
  ==================================================
  downloaded 629 KB
  
  package 'utf8' successfully unpacked and MD5 sums checked
  package 'fansi' successfully unpacked and MD5 sums checked
  package 'pillar' successfully unpacked and MD5 sums checked
  package 'pkgconfig' successfully unpacked and MD5 sums checked
  package 'tibble' successfully unpacked and MD5 sums checked
  
  The downloaded binary packages are in
  	D:\temp\RtmpisFliX\downloaded_packages
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.4/e1071_1.7-0.1.zip'
  Content type 'application/zip' length 896312 bytes (875 KB)
  =======================================
  downloaded 684 KB
  
  -- 1. Error: (unknown) (@test-sperrorest.R#5)  ---------------------------------
  cannot open the connection
  1: pacman::p_load(sperrorest, testthat, rpart, MASS, foreach, doFuture, future, pbmcapply, 
         magrittr, e1071) at testthat/test-sperrorest.R:5
  2: sapply(packages, p_load_single, install = install)
  3: lapply(X = X, FUN = FUN, ...)
  4: FUN(X[[i]], ...)
  5: p_install(package, character.only = TRUE, ...)
  6: withCallingHandlers(utils::install.packages(package, ...), warning = function(w) {
         if (grepl("package.*is not available", w$message)) {
             assign("try_bioc_p", TRUE, envir = bioconductor_env)
         }
     })
  7: utils::install.packages(package, ...)
  8: .install.winbinary(pkgs = bins, lib = lib, contriburl = contrib.url(repos, type2), 
         method = method, available = av2, destdir = destdir, dependencies = NULL, libs_only = libs_only, 
         quiet = quiet, ...)
  9: unpackPkgZip(foundpkgs[okp, 2L], foundpkgs[okp, 1L], lib, libs_only, lock)
  10: read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type"))
  
  == testthat results  ===========================================================
  OK: 9 SKIPPED: 33 FAILED: 1
  1. Error: (unknown) (@test-sperrorest.R#5) 
  
  Error: testthat unit tests failed
  Execution halted