[Internal] Refine tracing e2e test pipeline

[lumoslnt]

Description

Refine tracing e2e test pipeline. Currently the pipeline didn't do auth step, causing failure for 3p customers.

All Promptflow Contribution checklist:

• The pull request does not introduce [breaking changes].
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.
• Create an issue and link to the pull request to get dedicated review from promptflow team. Learn more: suggested workflow.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

promptflow-tracing e2e test result

 4 files   4 suites   1m 36s ⏱️
 8 tests  8 ✅ 0 💤 0 ❌
32 runs  32 ✅ 0 💤 0 ❌

Results for commit ccd667b.

[github-actions]

promptflow-tracing unit test result devs/linatang/refine-tracing-e2e-pipeline

 4 files   4 suites   22s ⏱️
 4 tests  4 ✅ 0 💤 0 ❌
16 runs  16 ✅ 0 💤 0 ❌

Results for commit 59f488d.

♻️ This comment has been updated with latest results.