add user's learning objects test

spec/acceptance/users_spec.rb

@@ -171,6 +171,21 @@ resource 'Users' do
     end
   end
 
+  get '/v1/users/:id/learning_objects' do
+    include_context "authenticate_user"
+
+    before do
+      create(:learning_object, publisher: @user)
+    end
+
+    let(:id) { @user.id }
+
+    example 'Showing a user’s learning objects' do
+      do_request
+      expect(status).to eq(200)
+    end
+  end
+
   delete '/v1/auth' do
     include_context "authenticate_user"