[BUG] When run FT repo test in OSD, if there is no test to run, the result show succeed

[yujin-emma]

Describe the bug

Found that when run FT repo in OSD, if there is no test to run, the test result still show succeed
To Reproduce
Like this https://github.com/opensearch-project/OpenSearch-Dashboards/actions/runs/8932383630/job/24536146128?pr=6610
Go to the cypress test ciGroup5, check the test result and found, the running test number is 0 while the test report is successful

Expected behavior
Hope the test report can show expected and meaningful result, if there is no test, output warning instead of succeed
OpenSearch Version
3.0
Dashboards Version
3.0
Plugins

N/A
Screenshots

If applicable, add screenshots to help explain your problem.

Host/Environment (please complete the following information):

• OS: [e.g. iOS]
• Browser and version [e.g. 22]

Additional context

Add any other context about the problem here.