paleolimbot commented on a change in pull request #12208:
URL: https://github.com/apache/arrow/pull/12208#discussion_r791642605



##########
File path: r/tests/testthat/test-dplyr-join.R
##########
@@ -173,3 +173,31 @@ test_that("mutate then join", {
     )
   )
 })
+
+test_that("filter then join", {

Review comment:
       Could you give this a slightly longer label? I'm not sure based on the 
title and content of the test what it is testing (without chasing the JIRAs 
back to the source).

##########
File path: r/tests/testthat/test-dplyr-join.R
##########
@@ -173,3 +173,31 @@ test_that("mutate then join", {
     )
   )
 })
+
+test_that("filter then join", {

Review comment:
       I'm with you, but while we're here it's worth a few extra words to help 
out future us when this test fails. How about `test_that("arrow dplyr query 
correctly filters + joins", ...`? I agree that the original ticket isn't very 
descriptive...whenever this is the case I try to add some extra text in the PR 
to give reviewers somewhere to start.




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