KAFKA-17422: Adding copySegmentLatch countdown after expiration task …

…is over (#17012)

The given test took 5 seconds as the logic was waiting completely for 5 seconds for the expiration task to be completed. Adding copySegmentLatch countdown after expiration task is over

Reviewers: Luke Chen <[email protected]>, Chia-Ping Tsai <[email protected]>

core/src/test/java/kafka/log/remote/RemoteLogManagerTest.java

@@ -2133,6 +2133,7 @@ long findLogStartOffset(TopicIdPartition topicIdPartition, UnifiedLog log) {
                 // wait until copy thread has started copying segment data
                 copySegmentDataLatch.await();
                 expirationTask.cleanupExpiredRemoteLogSegments();
+                copyLogSegmentLatch.countDown();
             } catch (RemoteStorageException | ExecutionException | InterruptedException e) {
                 throw new RuntimeException(e);
             }