ensures conversation factory will add its creator to participant list after it is created

Author: Kneeba921

spec/factories/better_together/conversations.rb

@@ -6,5 +6,9 @@
           aliases: %i[better_together_conversation conversation]) do
     title { Faker::Lorem.sentence }
     association :creator, factory: :person
+
+    after(:build) do |conversation|
+      conversation.participants << conversation.creator
+    end
   end
 end