edit method reset cache of current document because it increase the revision.

Use setId to check that changing an id of cachable document doesn't
clear conversion cache.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35016 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testERP5Web.py

@@ -1021,9 +1021,9 @@ Hé Hé Hé!""", page.asText().strip())
 
     # Make sure document cache keeps converted content even if ID changes
     self.assertTrue(document.hasConversion(format='txt'))
-    document.edit(id='document_new_cache')
+    document.setId('document_new_cache')
     self.assertTrue(document.hasConversion(format='txt'))
-    document.edit(id='document_original_cache')
+    document.setId('document_original_cache')
     self.assertTrue(document.hasConversion(format='txt'))
 
   def test_13b_DocumentEditCacheKey(self, quiet=quiet, run=run_all_test):