tests: do no launch test from django apps, they are not made for this

tests/test_settings

@@ -1,45 +0,0 @@
-import os.path
-
-DEBUG = False
-SECRET_KEY = 'coin'
-
-from authentic2.settings import INSTALLED_APPS, \
-     MIDDLEWARE_CLASSES, AUTHENTICATION_BACKENDS
-
-# Use Django default backend to pass Django tests
-AUTHENTICATION_BACKENDS = ('django.contrib.auth.backends.ModelBackend',) # + AUTHENTICATION_BACKENDS
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(os.path.dirname(__file__), 'authentic2.sqlite'),
-    },
-}
-
-if DEBUG:
-    INSTALLED_APPS += ('debug_toolbar',)
-    MIDDLEWARE_CLASSES += ('debug_toolbar.middleware.DebugToolbarMiddleware',)
-
-
-LANGUAGE_CODE = 'en'
-
-A2_IDP_SAML2_ENABLE = True
-#IDP_OPENID = True
-A2_VALIDATE_EMAIL_DOMAIN = False
-
-# to pass tests from django.contrib.messages
-MESSAGE_STORAGE = 'django.contrib.messages.storage.cookie.CookieStorage'
-LOGIN_REDIRECT_URL = '/accounts/profile/'
-LOGIN_URL = '/login/'
-
-
-MIGRATION_MODULES = {
-    # these 'tests.migrations' modules don't actually exist, but this lets
-    # us skip creating migrations for the test models.
-    'auth': 'django.contrib.auth.tests.migrations',
-    'contenttypes': 'django.contrib.contenttypes.tests.migrations',
-}
-INSTALLED_APPS += ('django.contrib.sites',)
-SITE_ID = 1
-TEMPLATE_DIRS = ('tests/templates',) + TEMPLATE_DIRS
-CSRF_FAILURE_VIEW =	'django.views.csrf.csrf_failure'

tox.ini

@@ -9,14 +9,12 @@ envlist = django15, django16, django17
 [testenv:django15]
 commands =
     ./getlasso.sh
-    ./authentic2-ctl --config=tests/test_settings test auth contenttypes sessions messages admin_tools theming menu dashboard
     ./authentic2-ctl test authentic2
 deps = django>1.5,< 1.6
 
 [testenv:django16]
 commands =
     ./getlasso.sh
-    ./authentic2-ctl --config=tests/test_settings test django.contrib.auth django.contrib.contenttypes django.contrib.sessions django.contrib.messages admin_tools
     ./authentic2-ctl test authentic2
 deps = django>1.6,<1.7
 
@@ -24,7 +22,6 @@ deps = django>1.6,<1.7
 # django.contrib.auth is not tested it does not work with our templates
 commands =
     ./getlasso.sh
-    ./authentic2-ctl --config=tests/test_settings test django.contrib.contenttypes django.contrib.sessions django.contrib.messages admin_tools
     ./authentic2-ctl test authentic2
 deps = django>1.7,<1.8