FlinkKafkaProducerITCase.testRestoreUsingDifferentTransactionalIdPrefix failed on azure

Dec 26 02:12:38 [ERROR] testRestoreUsingDifferentTransactionalIdPrefix  Time elapsed: 12.293 s  <<< FAILURE!
Dec 26 02:12:38 java.lang.AssertionError: Expected elements: <[42, 44]>, but was: elements: <[42, 44, 42, 44, 42, 44, 42, 44]>
Dec 26 02:12:38 	at org.junit.Assert.fail(Assert.java:89)
Dec 26 02:12:38 	at org.apache.flink.streaming.connectors.kafka.KafkaTestBase.assertExactlyOnceForTopic(KafkaTestBase.java:331)
Dec 26 02:12:38 	at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducerITCase.testRestoreUsingDifferentTransactionalIdPrefix(FlinkKafkaProducerITCase.java:719)
Dec 26 02:12:38 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Dec 26 02:12:38 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
Dec 26 02:12:38 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Dec 26 02:12:38 	at java.lang.reflect.Method.invoke(Method.java:498)
Dec 26 02:12:38 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
Dec 26 02:12:38 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
Dec 26 02:12:38 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
Dec 26 02:12:38 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
Dec 26 02:12:38 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
Dec 26 02:12:38 	at org.apache.flink.testutils.junit.RetryRule$RetryOnFailureStatement.evaluate(RetryRule.java:135)
Dec 26 02:12:38 	at org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
Dec 26 02:12:38 	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
Dec 26 02:12:38 	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
Dec 26 02:12:38 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
Dec 26 02:12:38 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
Dec 26 02:12:38 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
Dec 26 02:12:38 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
Dec 26 02:12:38 	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
Dec 26 02:12:38 	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
Dec 26 02:12:38 	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
Dec 26 02:12:38 	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
Dec 26 02:12:38 	at org.junit.runner.JUnitCore.run(JUnitCore.java:115)