Use Omniauthable user model with admin role

test/fixtures/users.yml

@@ -1,10 +1,17 @@
 # Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
 
-# This model initially had no columns defined.  If you add columns to the
+# This model initially had no columns defined. If you add columns to the
 # model remove the '{}' from the fixture names and add the columns immediately
 # below each fixture, per the syntax in the comments below
 #
-
 admin:
-  email: admin@example.com
-  encrypted_password: <%= Devise::Encryptor.digest(Admin, 'password') %>
+  provider: github
+  uid: admin
+  name: admin
+  role: 1
+
+translator:
+  provider: github
+  uid: translator
+  name: translator
+  role: 0