restore one line

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160624130951) do
+ActiveRecord::Schema.define(version: 20160704143402) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"

spec/policies/exercise_policy_spec.rb

@@ -3,6 +3,8 @@ require 'rails_helper'
 describe ExercisePolicy do
   subject { described_class }
 
+let(:exercise) { FactoryGirl.build(:dummy) }
+  
   permissions :batch_update? do
     it 'grants access to admins only' do
       expect(subject).to permit(FactoryGirl.build(:admin), exercise)