add working home controller test and login_helper

spec/controllers/home_controller_spec.rb

@@ -2,10 +2,16 @@
 
 require 'spec_helper'
 
-describe HomeController do
+describe HomeController, type: :controller do
+  let(:user) { create(:user) }
+
   describe "GET profile" do
+    before do
+      login user
+    end
+
     it 'shows dashboard for logged in user' do
-      get :my_profile
+      get :profile, params: { foodcoop: FoodsoftConfig[:default_scope] }
       expect(response).to have_http_status(:success)
     end
   end