Package check result: ERROR

Check: tests, Result: ERROR
    Running ‘testthat.R’ [0m/30m]
  Running the tests in ‘tests/testthat.R’ failed.
  Complete output:
    > library("testthat")
    > library("DBI")
    > 
    > test_check("duckdb")
    Loading required package: duckdb

Check: for detritus in the temp directory, Result: NOTE
  Found the following files/directories:
    ‘vgdb-pipe-from-vgdb-to-2077386-by-hornik-on-???’
    ‘vgdb-pipe-shared-mem-vgdb-2077386-by-hornik-on-???’
    ‘vgdb-pipe-to-vgdb-from-2077386-by-hornik-on-???’