tools/ut: add -v to help diagnose

[HuSharp]

What problem does this PR solve?

before, The error message will appear at the very end

We'd prefer to have the error message appear immediately so that it's easy to know the event clearly.

Issue Number: Ref #7969

What is changed and how does it work?

When meet error in the test, let the error message appear immediately so that it's easy to know the event clearly.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Release note

None.

[ti-chi-bot]

@HuSharp: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-integration-realcluster-test	9e61091	link	false	/test pull-integration-realcluster-test

Full PR test history. Your PR dashboard.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.29%. Comparing base (c65577c) to head (9e61091).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8421   +/-   ##
=======================================
  Coverage   77.28%   77.29%           
=======================================
  Files         471      471           
  Lines       61878    61878           
=======================================
+ Hits        47823    47828    +5     
+ Misses      10470    10467    -3     
+ Partials     3585     3583    -2     

Flag	Coverage Δ
unittests	77.29% <ø> (+<0.01%)	⬆️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lhy1024, rleungx

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• OWNERS [lhy1024,rleungx]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-19 04:04:05.321300754 +0000 UTC m=+585867.312242225: ☑️ agreed by lhy1024.
• 2024-07-19 05:22:39.229581853 +0000 UTC m=+590581.220523321: ☑️ agreed by rleungx.