added fact view tests

* Add related link from host to fact_versions
* Add related link from fact_versions to fact_view

awx/main/tests/base.py

@@ -25,9 +25,6 @@ from django.contrib.auth.models import User
 from django.test.client import Client
 from django.test.utils import override_settings
 
-# MongoEngine
-from mongoengine.connection import get_db, ConnectionError
-
 # AWX
 from awx.main.models import * # noqa
 from awx.main.backend import LDAPSettings
@@ -43,15 +40,6 @@ TEST_PLAYBOOK = '''- hosts: mygroup
     command: test 1 = 1
 '''
 
-class MongoDBRequired(django.test.TestCase):
-    def setUp(self):
-        # Drop mongo database
-        try:
-            self.db = get_db()
-            self.db.connection.drop_database(settings.MONGO_DB)
-        except ConnectionError:
-            self.skipTest('MongoDB connection failed')
-
 class QueueTestMixin(object):
     def start_queue(self):
         self.start_redis()