Fix misleading test

The access involvement changes exposed that this test wasn't doing what it said it was. For this to be a self-assignment the event creator and assignee need to be the same

test/fixtures/events.yml

@@ -13,6 +13,14 @@ logo_assignment_jz:
   particulars: <%= { assignee_ids: [ ActiveRecord::FixtureSet.identify(:jz) ] }.to_json %>
   created_at: <%= 1.week.ago + 1.hour %>
 
+logo_assignment_david:
+  creator: david
+  collection: writebook
+  eventable: logo (Card)
+  action: card_assigned
+  particulars: <%= { assignee_ids: [ ActiveRecord::FixtureSet.identify(:david) ] }.to_json %>
+  created_at: <%= 1.week.ago + 1.hour %>
+
 logo_assignment_km:
   creator: david
   collection: writebook

test/models/notifier/event_notifier_test.rb

@@ -65,9 +65,9 @@ class Notifier::EventNotifierTest < ActiveSupport::TestCase
   end
 
   test "assignment events do not notify you if you assigned yourself" do
-    collections(:writebook).access_for(users(:jz)).access_only!
+    collections(:writebook).access_for(users(:david)).watching!
 
-    notifications = Notifier.for(events(:logo_assignment_jz)).notify
+    notifications = Notifier.for(events(:logo_assignment_david)).notify
 
     assert_empty notifications
   end