Add `platform_tests/sfp/test_show_intf_xcvr.py` into T0 PR checker.

[yutongzhang-microsoft]

Description of PR

In PR #13220, we add a batch of control plane test scripts into onboarding T0 PR checker, but some of them failed. In this PR, we fix the failed test script platform_tests/sfp/test_show_intf_xcvr.py and let it run successfully in T0 PR checker.

Summary: Fixes # (issue)

Type of change

• [ ] Bug fix
• [ ] Testbed and Framework(new/improvement)
• [ ] Test case(new/improvement)

Back port request

• [ ] 202012
• [ ] 202205
• [ ] 202305
• [ ] 202311
• [ ] 202405

Approach

What is the motivation for this PR?

In PR #13220, we add a batch of control plane test scripts into onboarding T0 PR checker, but some of them failed. In this PR, we fix the failed test script platform_tests/sfp/test_show_intf_xcvr.py and let it run successfully in T0 PR checker.

How did you do it?

How did you verify/test it?

------------------------------------------------------------------ live log sessionfinish ------------------------------------------------------------------
08:22:25 __init__.pytest_terminal_summary         L0067 INFO   | Can not get Allure report URL. Please check logs
============================================================== 3 passed, 1 warning in 26.13s ===============================================================

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

[wsycqyz]

Have triggered to rerun failed jobs.