Running 'testthat.R' [131s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(ps)
  > 
  > if (ps::ps_is_supported() && Sys.getenv("R_COVR", "") != "true" &&
  +     Sys.getenv("NOT_CRAN") != "" ) {
  +   reporter <- ps::CleanupReporter(testthat::SummaryReporter)$new()
  + } else {
  +   reporter <- "summary"
  + }
  > 
  > if (ps_is_supported()) test_check("ps", reporter = reporter)
  cleanup-reporter: ..................................................................
  common: ......................................................123SSSS
  connections: ....SS......SSSSSSS
  finished: S
  kill-tree: ....SSSSSSS
  linux: 
  macos: 
  pid-reuse: ..............................................................
  posix-zombie: 
  posix: 
  system: ..................
  utils: ................
  windows: .......
  winver: ......
  
  ══ Skipped ═════════════════════════════════════════════════════════════════════
  1. num_fds (test-common.R:262:3) - Reason: On CRAN
  
  2. open_files (test-common.R:278:3) - Reason: On CRAN
  
  3. interrupt (test-common.R:295:3) - Reason: On CRAN
  
  4. cpu affinity (test-common.R:312:3) - Reason: On CRAN
  
  5. UNIX sockets (test-connections.R:20:3) - Reason: No UNIX sockets
  
  6. UNIX sockets with path (test-connections.R:42:3) - Reason: No UNIX sockets
  
  7. TCP on loopback (test-connections.R:81:3) - Reason: socat is not available
  
  8. UDP (test-connections.R:115:3) - Reason: socat is not available
  
  9. UDP on loopback (test-connections.R:139:3) - Reason: socat is not available
  
  10. TCP6 (test-connections.R:172:3) - Reason: socat is not available
  
  11. TCP6 on loopback (test-connections.R:193:3) - Reason: socat is not available
  
  12. UDP6 (test-connections.R:232:3) - Reason: Needs working IPv6 connection
  
  13. UDP6 on loopback (test-connections.R:257:3) - Reason: socat is not available
  
  14. process already finished (test-finished.R:3:3) - Reason: On CRAN
  
  15. kill_tree (test-kill-tree.R:12:3) - Reason: On CRAN
  
  16. kill_tree, grandchild (test-kill-tree.R:59:3) - Reason: On CRAN
  
  17. kill_tree, orphaned grandchild (test-kill-tree.R:127:3) - Reason: On CRAN
  
  18. with_process_cleanup (test-kill-tree.R:155:3) - Reason: On CRAN
  
  19. find_tree (test-kill-tree.R:182:3) - Reason: On CRAN
  
  20. find_tree, grandchild (test-kill-tree.R:207:3) - Reason: On CRAN
  
  21. find_tree, orphaned grandchild (test-kill-tree.R:255:3) - Reason: On CRAN
  
  ══ Failed ══════════════════════════════════════════════════════════════════════
  ── 1. Failure (test-common.R:243:3): children ──────────────────────────────────
  length(ch) >= 2 is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── 2. Failure (test-common.R:246:3): children ──────────────────────────────────
  p1$get_pid() %in% pids is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── 3. Failure (test-common.R:247:3): children ──────────────────────────────────
  p2$get_pid() %in% pids is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  
  ══ DONE ════════════════════════════════════════════════════════════════════════
  Keep trying!
  Error: Test failures
  Execution halted