test_result: a test cannot be successful if there are unknown test result lines

bt5/erp5_test_result/WorkflowTemplateItem/portal_workflow/test_result_workflow/scripts/TestResult_complete.xml

@@ -55,7 +55,7 @@ kw = sci[\'kwargs\']\n
 stop_date = kw.get(\'date\') or DateTime()\n
 test_result.setStopDate(stop_date)\n
 if test_result.getPortalType() == \'Test Result\':\n
-  if test_result:\n
+  has_unknown_result = False\n
   edit_kw = dict(duration=0,\n
                  all_tests=0,\n
                  errors=0,\n
@@ -64,7 +64,8 @@ if test_result.getPortalType() == \'Test Result\':\n
   for line in test_result.objectValues(portal_type=\'Test Result Line\'):\n
     for prop in edit_kw:\n
       edit_kw[prop] = edit_kw[prop] + line.getProperty(prop, 0)\n
-    if edit_kw[\'errors\'] or edit_kw[\'failures\']:\n
+    has_unknown_result = has_unknown_result or line.getStringIndex() == 'UNKNOWN'\n
+  if has_unknown_result or edit_kw[\'errors\'] or edit_kw[\'failures\']:\n
     status = \'FAIL\'\n
   else:\n
     status = \'PASS\'\n