erp5_wendelin_inventory: Add comment for the workaround.

Also use find_load_module, instead of try/except.

bt5/erp5_wendelin_inventory/TestTemplateItem/portal_components/test.erp5.testPandasInventory.py

@@ -119,11 +119,12 @@ class PandasInventoryTest(ERP5TypeTestCase):
   def test_01_fillBigArrayTest(self):
     resource_uid = self.sale_order['1'].getResourceUid()
     data = self.portal.Base_zGetStockByResource(resource_uid=resource_uid)
-    try:
-      self.portal.Base_convertResultsToBigArray(
-        data, reference='dummy')
-    except:
-      pass
+    # next two lines are a workaround for the problem that the first time ZODB
+    # component loding fails inside a ZODB component test with the pkg_resources
+    # of setuptools-19.6.2
+    import erp5.component.extension
+    _ = erp5.component.extension.find_load_module('PandasInventory')
+
     self.portal.Base_convertResultsToBigArray(
       data,
       reference='TestingFillBigArray'

bt5/erp5_wendelin_inventory/TestTemplateItem/portal_components/test.erp5.testPandasInventory.xml

@@ -45,9 +45,7 @@
         <item>
             <key> <string>text_content_warning_message</string> </key>
             <value>
-              <tuple>
-                <string>W:125,  4: No exception type(s) specified (bare-except)</string>
-              </tuple>
+              <tuple/>
             </value>
         </item>
         <item>