Commits
Dragoș Moldovan-Grünfeld authored and Jonathan Keane committed 3c03d493644
ARROW-16073: [R] clean-up date time unit testing once tzdb is available on Windows Closes #12883 from dragosmg/datetime_unit_testing_cleanup Authored-by: Dragoș Moldovan-Grünfeld <dragos.mold@gmail.com> Signed-off-by: Jonathan Keane <jkeane@gmail.com>