component/zodbtools: update py3 test to use ZODB6, repair py2-ZODB5

See merge request !1664
15 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:16:46

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:33:22

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:02:13

passed SlapOS.Eggs.UnitTest-Master.Python2

00:26:01

passed SlapOS.Eggs.UnitTest-Master.Python3

00:28:29

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:39:22

failed SlapOS.SoftwareReleases.IntegrationTest-Master

12:23:20

passed SlapOS.Theia.ResilienceTest-Master-ERP5

10:19:30

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:31:12

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

12:37:11

failed Zodbtools.UnitTest-Master.ZODB6.Python3

00:00:47

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:35:36

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:44:34

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:03:08

failed Zodbtools.UnitTest-Master.ZODB6.Python3

00:57:59