Add method MembershipApp#resolved?

app/models/membership_app.rb

@@ -25,4 +25,8 @@ class MembershipApp < ApplicationRecord
     self.organization_membership = nil if organization_membership.blank?
     self.comment                 = nil if comment.blank?
   end
+
+  def resolved?
+    person.present?
+  end
 end

app/views/membership_apps/show.html.erb

@@ -1,5 +1,5 @@
 <div class="container">
-  <% if @membership_app.person %>
+  <% if @membership_app.resolved? %>
     <h1><%= translate '.congratulations' %></h1>
     <p class="lead"><%= translate '.lead_congratulations' %></p>
   <% else %>

spec/models/membership_app_spec.rb

@@ -32,6 +32,8 @@ RSpec.describe MembershipApp do
 
   it { is_expected.to validate_uniqueness_of :account_id }
 
+  pending '#resolved?'
+
   describe '#email' do
     def allow_value(*)
       super.for :email