srowen commented on a change in pull request #23801: [SPARK-26891][YARN] Fixing
flaky test in YarnSchedulerBackendSuite
URL: https://github.com/apache/spark/pull/23801#discussion_r257517261
##########
File path:
resource-managers/yarn/src/test/scala/org/apache/spark/scheduler/cluster/YarnSchedulerBackendSuite.scala
##########
@@ -32,15 +33,33 @@ import org.apache.spark.ui.TestFilter
class YarnSchedulerBackendSuite extends SparkFunSuite with MockitoSugar with
LocalSparkContext {
+ private var yarnSchedulerBackend: YarnSchedulerBackend = _
+
+ override def afterEach() {
+ try {
+ yarnSchedulerBackend.stop()
Review comment:
Should this check if it's null, in case some tests don't set it? they might
all do so now.
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