[GitHub] [spark] dongjoon-hyun commented on a change in pull request #28809: [SPARK-31959][SQL][3.0] Fix Gregorian-Julian micros rebasing while switching standard time zone offset

[GitBox <gi...@apache.org>]

dongjoon-hyun commented on a change in pull request #28809:
URL: https://github.com/apache/spark/pull/28809#discussion_r439869464



##########
File path: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/RebaseDateTimeSuite.scala
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@@ -409,4 +409,40 @@ class RebaseDateTimeSuite extends SparkFunSuite with Matchers with SQLHelper {
       }
     }
   }
+
+  test("SPARK-31959: JST -> HKT at Asia/Hong_Kong in 1945") {

Review comment:
       Please hold on this. This test case is flaky in `master` branch already.
   - https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-3.2-hive-2.3/lastCompletedBuild/testReport/org.apache.spark.sql.catalyst.util/RebaseDateTimeSuite/SPARK_31959__JST____HKT_at_Asia_Hong_Kong_in_1945/
   ```
   - SPARK-31959: JST -> HKT at Asia/Hong_Kong in 1945 *** FAILED ***
     -766744200000000 did not equal -766747800000000 (RebaseDateTimeSuite.scala:432)
   ```




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