tests/amdgpu: add gfx ring bad slow draw test

for gfx9

Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
1 job for master in 2 minutes and 51 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #1114683
meson-arch-daily

00:02:51