neo: extend runTestSuite to optionally run neomaster process with PyPy

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:30:56

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:08:06

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

07:14:11

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

03:10:48