[SEBA-742] Adding methods to validate subscriber tech_profile association

Change-Id: I4287f7021fa2c3cac6f025ac829ab280bf09e8ba
diff --git a/tox.ini b/tox.ini
index 9064a11..73c1e23 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,6 +23,7 @@
   -r requirements.txt
   requests_mock
   nose2
+  django
 ;  flake8
 
 changedir = xos