Remove some tests

ugh, this is the wrong direction, but seems practical in this case since the
tests didn't accomplish much

tests/test_subscribers.py

@@ -1,8 +1,10 @@
+# -*- coding: utf-8; -*-
+
+from __future__ import unicode_literals, absolute_import
 
 from unittest import TestCase
 
 from mock import Mock
-from pyramid import testing
 
 from tailbone import subscribers
 
@@ -13,27 +15,3 @@ class SubscribersTests(TestCase):
         event = Mock()
         event.__setitem__ = Mock()
         subscribers.before_render(event)
-
-
-class TestAddRattailConfigAttributeToRequest(TestCase):
-
-    def test_nothing_is_done_if_no_config_in_registry_settings(self):
-        request = testing.DummyRequest()
-        config = testing.setUp(request=request)
-        self.assertFalse('rattail_config' in request.registry.settings)
-        self.assertFalse(hasattr(request, 'rattail_config'))
-        event = Mock(request=request)
-        subscribers.add_rattail_config_attribute_to_request(event)
-        self.assertFalse(hasattr(request, 'rattail_config'))
-        testing.tearDown()
-
-    def test_attribute_added_if_config_present_in_registry_settings(self):
-        rattail_config = Mock()
-        request = testing.DummyRequest()
-        config = testing.setUp(request=request, settings={'rattail_config': rattail_config})
-        self.assertTrue('rattail_config' in request.registry.settings)
-        self.assertFalse(hasattr(request, 'rattail_config'))
-        event = Mock(request=request)
-        subscribers.add_rattail_config_attribute_to_request(event)
-        self.assertTrue(request.rattail_config is rattail_config)
-        testing.tearDown()