tests: Teach test driver to pass testWendelinCore when run with wendelin.core 2

See merge request !1445
7 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed ERP5.CodingStyleTest-Master

01:14:04

failed ERP5.PerformanceTest-Master

00:24:16

failed ERP5.UnitTest-Master

02:34:34

failed ERP5.UnitTest-Master.Medusa

02:38:49

passed SlapOS.Eggs.UnitTest-Master.Python2

passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python2

00:09:26