ARROW-16939 [R] Fix nightly builds after the merge of ARROW-16407 (#13479)
ARROW-16939 [R] Fix nightly builds after the merge of ARROW-16407 (#13479)

RE2 is not available for the minimal nightly builds so this PR skips a problematic unit test.

Authored-by: Dragoș Moldovan-Grünfeld <9c9f9cb3247c58daa0f64b617331eb35608a8fa0@gmail.com>
Signed-off-by: Sutou Kouhei <73218711cdd5d5c30ac66da3cc4d9d9204caf34b@clear-code.com>
apache/arrow,apache/arrow,wesm/arrow,icexelloss/arrow,kou/arrow,apache/arrow,kou/arrow,kou/arrow,kou/arrow,wesm/arrow,apache/arrow,kou/arrow,icexelloss/arrow,wesm/arrow,icexelloss/arrow,icexelloss/arrow,apache/arrow,wesm/arrow,apache/arrow,apache/arrow,apache/arrow,kou/arrow,apache/arrow,wesm/arrow,kou/arrow,icexelloss/arrow,apache/arrow,icexelloss/arrow,icexelloss/arrow,kou/arrow,kou/arrow,wesm/arrow,kou/arrow,wesm/arrow,icexelloss/arrow,wesm/arrow,apache/arrow,icexelloss/arrow,wesm/arrow,kou/arrow,apache/arrow,kou/arrow,wesm/arrow,icexelloss/arrow,wesm/arrow,icexelloss/arrow,icexelloss/arrow,wesm/arrow,apache/arrow,apache/arrow,wesm/arrow,wesm/arrow,icexelloss/arrow,kou/arrow,kou/arrow,icexelloss/arrow