[flaky-test] NettyTransportClientTest.testHandlerException

[coderzc]

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Bug Type (问题类型)

data inconsistency (计算结果不合预期)

Before submit

• [X] 我已经确认现有的 Server-Issues 与 Computer-Issues 中没有相同 / 重复问题

Environment (环境信息)

CI failed: https://github.com/apache/incubator-hugegraph-computer/actions/runs/5120435420/jobs/9207800445?pr=249#step:16:3035

Expected & Actual behavior (期望与实际表现)

Error:  Tests run: 563, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 209.732 s <<< FAILURE! - in org.apache.hugegraph.computer.suite.unit.UnitTestSuite
Error:  testHandlerException(org.apache.hugegraph.computer.core.network.netty.NettyTransportClientTest)  Time elapsed: 0.045 s  <<< FAILURE!
java.lang.AssertionError: No exception was thrown(expected org.apache.hugegraph.computer.core.common.exception.TransportException)
	at org.apache.hugegraph.computer.core.network.netty.NettyTransportClientTest.testHandlerException(NettyTransportClientTest.java:326)