Run TestNG via junit platform

[olamy]

New feature, improvement proposal

can be done using https://github.com/junit-team/testng-engine

[jatinkumarsingh]

hey
can u plz asign this issue
would love to help u out

[olamy]

hey can u plz asign this issue would love to help u out

thanks but this has been done part of #3179