Upgrade open_ung_default_page behaviour of UNGTestMixin

Should wait for calendar to be present before continuing, when
opening the 'calendar' page.

UNGTestMixin.py

@@ -75,6 +75,8 @@ class UNGTestMixin(unittest.TestCase):
             self.wait_for_activities()
         self.selenium.open(page)
         self.selenium.wait_for_page_to_load("30000")
+        if page == "calendar":
+            self.selenium.wait_for_condition("selenium.browserbot.findElementOrNull('loadingpannel').style.display == 'none'", "10000");
 
     def get_file_path(self, filename):
         """returns the absolute path to a test file given a 'filename'"""

testUNGCalendar.py

@@ -411,7 +411,6 @@ class TestUNGCalendar(UNGTestMixin):
         test_time = int(unittest.time.time())
         #create an event
         self.open_ung_default_page("calendar")
-        self.selenium.wait_for_condition("selenium.browserbot.findElementOrNull('loadingpannel').style.display == 'none'", "10000");
         #create event of type 'Visit'
         event_name = 'Functional UNG Test %d - My Event' % test_time
         self.create_calendar_event('Note', name=event_name)