update test to hit default page instead of login

With Django 1.6, the test are failing to load the login page
with 'openstack_auth.user.Token object is not JSON serializable'
error.

Partially-implements blueprint django-1point6

Change-Id: I8b3d62f3076d6d2071ba77848b83e1872ba69ba6
Merge "update test to hit default page instead of login"