We were only ever testing with a 0 seed, even though the function was
called for all QFETCH_GLOBAL seeds.
Add the seed.
Amends 5e93361888.
Pick-to: 6.6 6.5 6.2 5.15
Change-Id: I3c78714ad6fb3f94233789dd2c8884d9b157fa76
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>