Update nationality hint text (#2225)

app/models/form/lettings/questions/nationality_all_group.rb

@@ -6,7 +6,7 @@ class Form::Lettings::Questions::NationalityAllGroup < ::Form::Question
     @header = "What is the nationality of the lead tenant?"
     @type = "radio"
     @check_answers_card_number = 1
-    @hint_text = "The lead tenant is the person in the household who does the most paid work. If several people do the same paid work, the lead tenant is whoever is the oldest."
+    @hint_text = "The lead tenant is the person in the household who does the most paid work. If several people do the same paid work, the lead tenant is whoever is the oldest. If the lead tenant is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the tenant should decide which country to enter."
     @answer_options = ANSWER_OPTIONS
     @question_number = 36
     @conditional_for = { "nationality_all" => [12] }

app/models/form/sales/questions/nationality_all_group.rb

@@ -10,6 +10,7 @@ class Form::Sales::Questions::NationalityAllGroup < ::Form::Question
     @question_number = buyer_index == 1 ? 24 : 32
     @conditional_for = buyer_index == 1 ? { "nationality_all" => [12] } : { "nationality_all_buyer2" => [12] }
     @hidden_in_check_answers = { "depends_on" => [{ id => 12 }] }
+    @buyer_index = buyer_index
   end
 
   ANSWER_OPTIONS = {
@@ -17,4 +18,12 @@ class Form::Sales::Questions::NationalityAllGroup < ::Form::Question
     "12" => { "value" => "Other" },
     "0" => { "value" => "Buyer prefers not to say" },
   }.freeze
+
+  def hint_text
+    if @buyer_index == 1
+      "Buyer 1 is the person in the household who does the most paid work. If it’s a joint purchase and the buyers do the same amount of paid work, buyer 1 is whoever is the oldest. If buyer 1 is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the buyer should decide which country to enter."
+    else
+      "If buyer 2 is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the buyer should decide which country to enter."
+    end
+  end
 end

spec/models/form/lettings/questions/nationality_all_group_spec.rb

@@ -26,7 +26,7 @@ RSpec.describe Form::Lettings::Questions::NationalityAllGroup, type: :model do
   end
 
   it "has the correct hint_text" do
-    expect(question.hint_text).to eq("The lead tenant is the person in the household who does the most paid work. If several people do the same paid work, the lead tenant is whoever is the oldest.")
+    expect(question.hint_text).to eq("The lead tenant is the person in the household who does the most paid work. If several people do the same paid work, the lead tenant is whoever is the oldest. If the lead tenant is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the tenant should decide which country to enter.")
   end
 
   it "has the correct answer_options" do

spec/models/form/sales/questions/nationality_all_group_spec.rb

@@ -47,7 +47,7 @@ RSpec.describe Form::Sales::Questions::NationalityAllGroup, type: :model do
     end
 
     it "has the correct hint" do
-      expect(question.hint_text).to eq "Buyer 1 is the person in the household who does the most paid work. If it’s a joint purchase and the buyers do the same amount of paid work, buyer 1 is whoever is the oldest."
+      expect(question.hint_text).to eq "Buyer 1 is the person in the household who does the most paid work. If it’s a joint purchase and the buyers do the same amount of paid work, buyer 1 is whoever is the oldest. If buyer 1 is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the buyer should decide which country to enter."
     end
 
     it "has the correct header" do
@@ -75,7 +75,7 @@ RSpec.describe Form::Sales::Questions::NationalityAllGroup, type: :model do
     end
 
     it "has the correct hint" do
-      expect(question.hint_text).to eq("")
+      expect(question.hint_text).to eq "If buyer 2 is a dual national of the United Kingdom and another country, enter United Kingdom. If they are a dual national of two other countries, the buyer should decide which country to enter."
     end
 
     it "has the correct header" do