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4.x: ObservableWindowWithSizeTest > windowUnsubscribeNonOverlappingAsyncSource failed #8086
Description
Probably fixable with looser timings or via @Isolated JUnit 6 conversion.
https://github.com/ReactiveX/RxJava/actions/runs/23631767713/job/68832611207#step:8:1277
ObservableWindowWithSizeTest > windowUnsubscribeNonOverlappingAsyncSource FAILED
java.lang.AssertionError
at org.junit.Assert.fail(Assert.java:87)
at org.junit.Assert.assertTrue(Assert.java:42)
at org.junit.Assert.assertTrue(Assert.java:53)
at io.reactivex.rxjava4.internal.operators.observable.ObservableWindowWithSizeTest
.windowUnsubscribeNonOverlappingAsyncSource(ObservableWindowWithSizeTest.java:159)
Activity
ZhangDT-sky commentedon Mar 27, 2026
Hi @akarnokd, I would like to work on this issue. Could you please assign it to me? Thank you!
akarnokd commentedon Mar 27, 2026
Sure @ZhangDT-sky
The simplest way to not bog down the test speed is to move the failing test method into a separate test class:
ObservableWindowWithSizeIsolatedTestwith any context, and make it JUnit 6.
Fix ReactiveX#8086: Isolate windowUnsubscribeNonOverlappingAsyncSourc…
Fix #8086: Isolate windowUnsubscribeNonOverlappingAsyncSource to JUni…