Lettuce tests now import one_time_startup.py to ensure

that mongo caches are initialized for the test database.
This avoids a warning from the mongo modulestore.

common/djangoapps/terrain/browser.py

@@ -3,6 +3,11 @@ from splinter.browser import Browser
 from logging import getLogger
 import time
 
+# Let the LMS and CMS do their one-time setup
+# For example, setting up mongo caches
+from lms import one_time_startup
+from cms import one_time_startup 
+
 logger = getLogger(__name__)
 logger.info("Loading the lettuce acceptance testing terrain file...")
 
@@ -16,7 +21,6 @@ def initial_setup(server):
     # world.browser = Browser('phantomjs')
     # world.browser = Browser('firefox')
 
-
 @before.each_scenario
 def reset_data(scenario):
     # Clean out the django test database defined in the