summaryzb opened a new pull request, #1235:
URL: https://github.com/apache/incubator-uniffle/pull/1235
### What changes were proposed in this pull request?
Add a little wait time before verify the result
### Why are the changes needed?
Usually this happens in spark2.3 integration test
```
Error: Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
31.317 s <<< FAILURE! - in org.apache.uniffle.test.WriteAndReadMetricsTest
Error: test Time elapsed: 28.47 s <<< FAILURE!
org.opentest4j.AssertionFailedError: expected: <55> but was: <54>
at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:55)
at
org.junit.jupiter.api.AssertionUtils.failNotEqual(AssertionUtils.java:62)
at
org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:182)
at
org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:177)
at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:1141)
at
org.apache.uniffle.test.SparkIntegrationTestBase.verifyTestResult(SparkIntegrationTestBase.java:130)
at
org.apache.uniffle.test.SparkIntegrationTestBase.run(SparkIntegrationTestBase.java:67)
at
org.apache.uniffle.test.WriteAndReadMetricsTest.test(WriteAndReadMetricsTest.java:40)
```
Inspired by [SPARK-24415](https://issues.apache.org/jira/browse/SPARK-24415)
It might be an order of events type problem, taskEndEvent trigger the metric
updates, while stageCompletion trigger the stageData updates
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Run local test in a loop of 100 times without a failure
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