Remove the creation of a test user.

mayan/apps/folders/tests/test_models.py

@@ -1,6 +1,5 @@
 from __future__ import unicode_literals
 
-from django.contrib.auth import get_user_model
 from django.test import TestCase
 
 from documents.models import DocumentType
@@ -25,11 +24,6 @@ class FolderTestCase(TestCase):
                 file_object=file_object
             )
 
-        self.user = get_user_model().objects.create_superuser(
-            username=TEST_ADMIN_USERNAME, email=TEST_ADMIN_EMAIL,
-            password=TEST_ADMIN_PASSWORD
-        )
-
     def tearDown(self):
         self.document_type.delete()