Define timeout of Funcional test for 2 hours

The most long test takes about 1h only, so it is more them enough delay.

product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py

@@ -243,7 +243,7 @@ page.open(address, function (status) {
 class FunctionalTestRunner:
 
   # There is no test that can take more them 24 hours
-  timeout = 24 * 60 * 60
+  timeout = 2.0 * 60 * 60
 
   def __init__(self, host, port, portal, run_only='', use_phanthom=False):
     self.instance_home = os.environ['INSTANCE_HOME']