Fixed failing tests

- Some fixtures added by Erik Ordway broke tests
- message:// links had an edge case I broke with 68701ada
- One test had a hard-coded id that changed

Closes #1019

test/fixtures/contexts.yml

@@ -131,21 +131,3 @@ anothercontext:
   user_id: 4
   created_at: <%= today %>
   updated_at: <%= today %>
-
-inbox:
-    id: 15
-    name: Inbox
-    position: 1
-    hide: false
-    user_id: 5
-    created_at: <%= today %>
-    updated_at: <%= today %>
-
-anothercontext:
-    id: 16
-    name: anothercontext
-    position: 2
-    hide: false
-    user_id: 5
-    created_at: <%= today %>
-    updated_at: <%= today %>