Commits

Neal Richardson authored 10333cd9ce2
ARROW-7295: [R] Fix bad test that causes failure on R < 3.5 See e.g. https://ci.appveyor.com/project/nealrichardson/arrow-r-nightly-yxl55/build/job/035035iswpud8vfr Closes #5939 from nealrichardson/fix-bad-test and squashes the following commits: 5ba3ac2a1 <Neal Richardson> Remove trailing commas Authored-by: Neal Richardson <neal.p.richardson@gmail.com> Signed-off-by: Neal Richardson <neal.p.richardson@gmail.com>