Add #ceremony_country_is_french_overseas_territory?

I want the `MarriageAbroadCalculator` to encapsulate all the logic
required by the flow and views. Delegating to the
`MarriageAbroadDataQuery` for this method is a step toward that goal.

lib/smart_answer/calculators/marriage_abroad_calculator.rb

@@ -113,7 +113,7 @@ def country_name_uppercase_prefix
     def country_name_partner_residence
       if @data_query.british_overseas_territories?(ceremony_country)
         'British (overseas territories citizen)'
-      elsif @data_query.french_overseas_territories?(ceremony_country)
+      elsif ceremony_country_is_french_overseas_territory?
         'French'
       elsif @data_query.dutch_caribbean_islands?(ceremony_country)
         'Dutch'
@@ -131,5 +131,9 @@ def embassy_or_consulate_ceremony_country
         'embassy'
       end
     end
+
+    def ceremony_country_is_french_overseas_territory?
+      @data_query.french_overseas_territories?(ceremony_country)
+    end
   end
 end

lib/smart_answer_flows/marriage-abroad.rb

@@ -36,7 +36,7 @@ def define
             :partner_opposite_or_same_sex?
           elsif %w(france monaco new-caledonia wallis-and-futuna).include?(calculator.ceremony_country)
             :marriage_or_pacs?
-          elsif data_query.french_overseas_territories?(calculator.ceremony_country)
+          elsif calculator.ceremony_country_is_french_overseas_territory?
             :outcome_os_france_or_fot
           else
             :legal_residency?

lib/smart_answer_flows/marriage-abroad/outcomes/outcome_os_france_or_fot.govspeak.erb

@@ -3,7 +3,7 @@
 <% end %>
 
 <% content_for :body do %>
-  <% if data_query.french_overseas_territories?(calculator.ceremony_country) %>
+  <% if calculator.ceremony_country_is_french_overseas_territory? %>
     <%= calculator.country_name_uppercase_prefix %> is an overseas department or territory of France. The rules and requirements for getting married there are similar to France.
   <% end %>
 

test/unit/calculators/marriage_abroad_calculator_test.rb

@@ -469,6 +469,17 @@ class MarriageAbroadCalculatorTest < ActiveSupport::TestCase
           assert_equal 'embassy', @calculator.embassy_or_consulate_ceremony_country
         end
       end
+
+      context '#ceremony_country_is_french_overseas_territory?' do
+        should 'delegate to the data query' do
+          data_query = stub.quacks_like(MarriageAbroadDataQuery.new)
+          data_query.stubs(:french_overseas_territories?).with('ceremony-country').returns('french-overseas-territory')
+          calculator = MarriageAbroadCalculator.new(data_query: data_query)
+          calculator.ceremony_country = 'ceremony-country'
+
+          assert_equal 'french-overseas-territory', calculator.ceremony_country_is_french_overseas_territory?
+        end
+      end
     end
   end
 end