GRN2-148: Always check that email notifications are enabled before sending an email (#539)

* Always check that email notificatiosn are enabled before sending an email

* Fix tests

* Fix formating

* Change to hardcoding the validation

spec/controllers/admins_controller_spec.rb

@@ -26,6 +26,10 @@ describe AdminsController, type: :controller do
   end
 
   describe "User Roles" do
+    before do
+      allow(Rails.configuration).to receive(:enable_email_verification).and_return(true)
+    end
+
     context "GET #index" do
       it "renders a 404 if a user tries to acccess it" do
         @request.session[:user_id] = @user.id