erp5_core: Expand simulation with priority 3

See merge request !1887
3 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

00:49:33

failed ERP5.UnitTest-Master

01:23:04

passed SlapOS.Eggs.UnitTest-Master.Python3

00:13:50