Smoke and permissions tests

And various bug / permissions config tweaks to accompany

todo/tests/conftest.py

@@ -0,0 +1,17 @@
+import pytest
+
+from django.contrib.auth.models import Group
+
+from todo.models import Item, TaskList
+
+
+@pytest.fixture
+def todo_setup(django_user_model):
+    g1 = Group.objects.create(name="Weavers")
+    u1 = django_user_model.objects.create(username="you", password="password")
+    u1.groups.add(g1)
+    tlist = TaskList.objects.create(group=g1, name="Zip", slug="zip")
+
+    Item.objects.create(created_by=u1, title="Task 1", task_list=tlist, priority=1)
+    Item.objects.create(created_by=u1, title="Task 2", task_list=tlist, priority=2)
+    Item.objects.create(created_by=u1, title="Task 3", task_list=tlist, priority=3)