ci: Fix L0_lifecycle server shutdown

[kthui]

What does the PR do?

There are four tests in L0_lifecycle that the server shutdown is triggered by the py test, which may not return by the time the server completes its shutdown, causing the failure that the test script is trying to shutdown a stopped server.

Checklist

• PR title reflects the change and is of format <commit_type>: <Title>
• Changes are described in the pull request.
• Related issues are referenced.
• Populated github labels field
• Added test plan and verified test passes.
• Verified that the PR passes existing CI.
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Commit Type:

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• build
• ci
• docs
• feat
• fix
• perf
• refactor
• revert
• style
• test

Related PRs:

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Where should the reviewer start?

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Test plan:

L0_lifecycle should pass.

• CI Pipeline ID: 22497034

Caveats:

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Background

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Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)

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