[SPARK-36109][SS][TEST][3.0] Check data after adding data to topic in KafkaSourceStressSuite #33326
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What changes were proposed in this pull request?
This patch proposes to check data after adding data to topic in
KafkaSourceStressSuite
.Why are the changes needed?
The test logic in
KafkaSourceStressSuite
is not stable. For example, https://github.com/apache/spark/runs/3049244904.Once we add data to a topic and then delete the topic before checking data, the expected answer is different to retrieved data from the sink.
Does this PR introduce any user-facing change?
No
How was this patch tested?
Existing tests.