Can I use my own black and white samples?

[NoUseForAName3]

Describe the feature request

I want to replay my own black samples, so I make a dir testcases at the same path with blazehttp and name the black sample like '1.black'. But when I start blazehttp it still use the chatin own samples even I have already deleted the origin testcases dir.

Describe alternatives you've considered

No response

Affected area

• [ ] Docs
• [ ] Installation
• [X] Performance and Scalability
• [ ] Security
• [X] User Experience
• [ ] Test and Release
• [ ] Developer Infrastructure
• [ ] Others