Chia-Ping Tsai created KAFKA-17779:
--------------------------------------
Summary: Fix flaky
RemoteLogManagerTest#testFetchOffsetByTimestampWithTieredStorageDoesNotFetchIndexWhenExistsLocally
Key: KAFKA-17779
URL: https://issues.apache.org/jira/browse/KAFKA-17779
Project: Kafka
Issue Type: Test
Reporter: Chia-Ping Tsai
Assignee: Chia-Ping Tsai
```
org.mockito.exceptions.misusing.WrongTypeOfReturnValue:
SingletonList cannot be returned by leaderEpochCache()
leaderEpochCache() should return Option
***
If you're unsure why you're getting above error read on.
Due to the nature of the syntax above problem might occur because:
1. This exception might occur in wrongly written multi-threaded tests.
Please refer to Mockito FAQ on limitations of concurrency testing.
2. A spy is stubbed using when(spy.foo()).then() syntax. It is safer to stub
spies -
- with doReturn
```
https://github.com/apache/kafka/actions/runs/11295770598/attempts/1#summary-31419257288
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