Open ERP5 main page before each test suite to avoid side effects for subsequent calls

If  a test  suite  fails  with a  Zope  error, then  'main_form'  will not  be
available for the  next test suite. This also allows to  assume that each test
suite will be ran from ERP5 main page.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@46026 20353a03-c40f-0410-a6d1-a30d3c3de9de

erp5/util/benchmark/process.py

@@ -51,6 +51,8 @@ class BenchmarkProcess(multiprocessing.Process):
     # Initialized when running the test
     self._browser = None
     self._current_repeat = 1
+
+    # TODO: Per target error counter instead of global one?
     self._error_counter = 0
 
     super(BenchmarkProcess, self).__init__(*args, **kwargs)
@@ -75,6 +77,7 @@ class BenchmarkProcess(multiprocessing.Process):
       result.enterSuite(target.__name__)
 
       try:
+        self._browser.open()
         target(result, self._browser)
       except StopIteration:
         raise