fix tests that were leaving test dir behind.

Zero out session/otks variables. don't try to set them to valid values.

Author: rouilj

test/test_redis_session.py

@@ -79,8 +79,8 @@ def tearDown(self):
         self.db.config.SESSIONDB_BACKEND = ""
         self.db.Session = None
         self.db.Otk = None
-        self.sessions = self.db.getSessionManager()
-        self.otks = self.db.getOTKManager()
+        self.sessions = None
+        self.otks = None
 
 
     def get_ts(self, key="random_session"):

test/test_sqlite.py

@@ -200,8 +200,8 @@ def tearDown(self):
         self.db.config.SESSIONDB_BACKEND = ""
         self.db.Session = None
         self.db.Otk = None
-        self.sessions = self.db.getSessionManager()
-        self.otks = self.db.getOTKManager()
+        self.sessions = None
+        self.otks = None
 
     def get_ts(self):
         return (self.sessions.get('random_session', '__timestamp'),)