ERP5TypeTestCase: Close ZMySQLDA connections during tearDown.
Fixes issues triggered by slapos@f62b9a22 in tests with more classes.
Tested locally with testERP5Security which triggered the issue.
/cc @seb
Fixes issues triggered by slapos@f62b9a22 in tests with more classes.
Tested locally with testERP5Security which triggered the issue.
/cc @seb