[java-datastore] datastore.it.ITE2ETracingTest: traceContainerTest[useGlobalOpenTelemetrySDK=false,datastoreNamedDatabase=] failed

This test failed!

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commit: c2cfbe0268f0c1d52f97bcc605820279c40cdf2f
buildURL: [Build Status](https://source.cloud.google.com/results/invocations/cbdd4a3d-bf6b-4885-8416-3f78674f6327), [Sponge](http://sponge2/cbdd4a3d-bf6b-4885-8416-3f78674f6327)
status: failed

从 datastore.it.ITE2ETracingTest 和失败中提到的 traceContainerTest 用例开始，然后检查链接的构建状态以及 commit c2cfbe0268f0c1d52f97bcc605820279c40cdf2f 的 Sponge 结果。确定测试为何会在 useGlobalOpenTelemetrySDK=false 且 datastoreNamedDatabase 为空时失败；完成的标准是测试能够可靠通过。

由索引模型根据 Issue 内容生成。