run_my_doc: strip unnecessary whitespace in generated zelenium tests

bt5/erp5_run_my_doc/ExtensionTemplateItem/portal_components/extension.erp5.ERP5RunMyDocs.py

@@ -77,7 +77,7 @@ def extractTest(text):
           testcode += row[0].text
         else:
           testcode += lxml.html.tostring(row)
-  return testcode
+  return testcode.strip()
 
 """
   HTML5 Presentation validador

bt5/erp5_run_my_doc/TestTemplateItem/portal_components/test.erp5.testRunMyDoc.py

@@ -34,7 +34,7 @@ class TestRunMyDoc(ERP5TypeTestCase):
   """
    Basic Test for internal implementation of RunMyDocs
   """
-
+  maxDiff = None
   def getTitle(self):
     return "Run My Doc"