[FLINK-39363][test] Fix flaky test PaimonSinkITCase (#4366) #2380

Job	Run time
License Check	4m 40s
Common Unit Tests / test (11, generic, core)	13m 18s
Common Unit Tests 2.x / test (11, 2.2.0, core)	14m 40s
Pipeline Unit Tests / test (11, generic, doris, elasticsearch, fluss, hudi, iceberg, kafka, maxcompute, mysql-pipeline,...	1h 4m 37s
Source Unit Tests / test (11, generic, db2, mongodb)	44m 1s
Source Unit Tests / test (11, generic, mysql-source)	44m 52s
Source Unit Tests 2.x / test (11, 2.2.0, postgres-source, oceanbase-source, tidb, vitess)	23m 39s
Source E2E Tests / test (11, 1.20.3, source_e2e)	23m 21s
Source Unit Tests / test (11, generic, postgres-source, oceanbase-source, tidb, vitess)	36m 52s
Pipeline Connectors Unit Tests 2.x / test (11, 2.2.0, doris, elasticsearch, fluss, iceberg, kafka, maxcompute, mysql-pipeline, oceanba...	1h 3m 50s
Source Unit Tests 2.x / test (11, 2.2.0, mysql-source)	41m 58s
Pipeline E2E Tests 2.x (1-Parallelism) / test (11, 2.2.0, pipeline_e2e)	1h 3m 48s
Source Unit Tests 2.x / test (11, 2.2.0, oracle, sqlserver)	38m 23s
Source Unit Tests / test (11, generic, oracle, sqlserver)	50m 0s
Pipeline E2E Tests 2.x (4-Parallelism) / test (11, 2.2.0, pipeline_e2e)	59m 18s
Pipeline E2E Tests (4-Parallelism) / test (11, 1.20.3, pipeline_e2e)	1h 21m 29s
Source Unit Tests 2.x / test (11, 2.2.0, db2, mongodb)	34m 37s
Pipeline E2E Tests (1-Parallelism) / test (11, 1.20.3, pipeline_e2e)	1h 22m 36s
	13h 5m 59s

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