inference unit test injectionPolicy split world_size to multiple tests (#5687)
Having world size as an array will cause an iteration on launch_proc
which takes a lot of time per case.
Splitting into different test cases.
Co-authored-by: Olatunji Ruwase <olruwase@microsoft.com>
Co-authored-by: Logan Adams <114770087+loadams@users.noreply.github.com>