[FLINK-39388][tests] Fix flaky DataGeneratorSourceITCase#testGatedRateLimiter#27883

Open

featzhang wants to merge 1 commit intoapache:masterfrom

featzhang:fix-datagen-flaky-test

Commits on Apr 2, 2026

[FLINK-38822][tests] Fix flaky DataGeneratorSourceITCase by using CheckpointListener to stop collecting after first checkpoint completes
featzhang
committed