add a key for lables of x-result.json

[Gzxl]

I want to put case assert info store in the result.json from pyallure
just like：

how to add a dynamic key for each case

[cheshi-mantu]

@Gzxl
not sure if I understand what you are trying to do here. Could you please elaborate a bit?

btw, what are you trying to achieve using this?