Incorporate temp file check in teh GenericViewTestCase class.

mayan/apps/common/tests/test_views.py

@@ -1,5 +1,7 @@
 from __future__ import absolute_import, unicode_literals
 
+import os
+
 from django.conf.urls import url
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
@@ -16,11 +18,15 @@ from user_management.tests import (
     TEST_USER_EMAIL, TEST_USER_USERNAME, TEST_USER_PASSWORD
 )
 
+from ..settings import setting_temporary_directory
+
 from .literals import TEST_VIEW_NAME, TEST_VIEW_URL
 
 
 class GenericViewTestCase(TestCase):
     def setUp(self):
+        self.temp_items = len(os.listdir(setting_temporary_directory.value))
+
         self.has_test_view = False
         self.admin_user = get_user_model().objects.create_superuser(
             username=TEST_ADMIN_USERNAME, email=TEST_ADMIN_EMAIL,
@@ -45,6 +51,10 @@ class GenericViewTestCase(TestCase):
         if self.has_test_view:
             urlpatterns.pop(0)
 
+        self.assertEqual(
+            self.temp_items, len(os.listdir(setting_temporary_directory.value))
+        )
+
     def add_test_view(self, test_object):
         from mayan.urls import urlpatterns