runUnitTest: ignore -D option when exiting

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35871 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/runUnitTest.py

@@ -316,6 +316,9 @@ class DebugTestResult:
     self.result = result
 
   def _start_debugger(self, tb):
+    import Lifetime
+    if Lifetime._shutdown_phase:
+      return
     try:
       # try ipython if available
       import IPython