SEBA-405 Cleanup synchronizer imports of model_accessor to globals;
Move mock modelaccessor to /tmp;
Easier mock modelaccessor configuration

Change-Id: I67a17b9a72ea69f61d92206f1b520a11c2f18d80
diff --git a/lib/xos-synchronizer/xossynchronizer/model_policies/policy.py b/lib/xos-synchronizer/xossynchronizer/model_policies/policy.py
index b455c79..5877279 100644
--- a/lib/xos-synchronizer/xossynchronizer/model_policies/policy.py
+++ b/lib/xos-synchronizer/xossynchronizer/model_policies/policy.py
@@ -36,5 +36,6 @@
             handle_delete ... called when a model is deleted
     """
 
-    def __init__(self):
+    def __init__(self, model_accessor):
+        self.model_accessor = model_accessor
         self.logger = log