Add don't know options

app/models/form/sales/questions/buyer1_mortgage.rb

@@ -2,8 +2,8 @@ class Form::Sales::Questions::Buyer1Mortgage < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "inc1mort"
-    @check_answer_label = "Buyer 1's income used for mortgage application"
-    @header = "Was buyer 1's income used for a mortgage application?"
+    @check_answer_label = "Buyer 1’s income used for mortgage application"
+    @header = "Was buyer 1’s income used for a mortgage application?"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @check_answers_card_number = 1
@@ -12,5 +12,6 @@ class Form::Sales::Questions::Buyer1Mortgage < ::Form::Question
   ANSWER_OPTIONS = {
     "1" => { "value" => "Yes" },
     "2" => { "value" => "No" },
+    "3" => { "value" => "Don’t know" },
   }.freeze
 end

app/models/form/sales/questions/buyer1_previous_tenure.rb

@@ -2,8 +2,8 @@ class Form::Sales::Questions::Buyer1PreviousTenure < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "prevten"
-    @check_answer_label = "Buyer 1's previous tenure"
-    @header = "What was buyer 1's previous tenure?"
+    @check_answer_label = "Buyer 1’s previous tenure"
+    @header = "What was buyer 1’s previous tenure?"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
   end
@@ -17,5 +17,6 @@ class Form::Sales::Questions::Buyer1PreviousTenure < ::Form::Question
     "6" => { "value" => "Living with family or friends" },
     "7" => { "value" => "Temporary accomodation" },
     "9" => { "value" => "Other" },
+    "0" => { "value" => "Don’t know" },
   }.freeze
 end

app/models/form/sales/questions/buyer2_mortgage.rb

@@ -2,8 +2,8 @@ class Form::Sales::Questions::Buyer2Mortgage < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "inc2mort"
-    @check_answer_label = "Buyer 2's income used for mortgage application"
-    @header = "Was buyer 2's income used for a mortgage application?"
+    @check_answer_label = "Buyer 2’s income used for mortgage application"
+    @header = "Was buyer 2’s income used for a mortgage application?"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @check_answers_card_number = 2
@@ -12,5 +12,6 @@ class Form::Sales::Questions::Buyer2Mortgage < ::Form::Question
   ANSWER_OPTIONS = {
     "1" => { "value" => "Yes" },
     "2" => { "value" => "No" },
+    "3" => { "value" => "Don’t know" },
   }.freeze
 end

spec/models/form/sales/questions/buyer1_mortgage_spec.rb

@@ -16,11 +16,11 @@ RSpec.describe Form::Sales::Questions::Buyer1Mortgage, type: :model do
   end
 
   it "has the correct header" do
-    expect(question.header).to eq("Was buyer 1's income used for a mortgage application?")
+    expect(question.header).to eq("Was buyer 1’s income used for a mortgage application?")
   end
 
   it "has the correct check_answer_label" do
-    expect(question.check_answer_label).to eq("Buyer 1's income used for mortgage application")
+    expect(question.check_answer_label).to eq("Buyer 1’s income used for mortgage application")
   end
 
   it "has the correct type" do
@@ -35,6 +35,7 @@ RSpec.describe Form::Sales::Questions::Buyer1Mortgage, type: :model do
     expect(question.answer_options).to eq({
       "1" => { "value" => "Yes" },
       "2" => { "value" => "No" },
+      "3" => { "value" => "Don’t know" },
     })
   end
 

spec/models/form/sales/questions/buyer1_previous_tenure_spec.rb

@@ -16,11 +16,11 @@ RSpec.describe Form::Sales::Questions::Buyer1PreviousTenure, type: :model do
   end
 
   it "has the correct header" do
-    expect(question.header).to eq("What was buyer 1's previous tenure?")
+    expect(question.header).to eq("What was buyer 1’s previous tenure?")
   end
 
   it "has the correct check_answer_label" do
-    expect(question.check_answer_label).to eq("Buyer 1's previous tenure")
+    expect(question.check_answer_label).to eq("Buyer 1’s previous tenure")
   end
 
   it "has the correct type" do
@@ -41,6 +41,7 @@ RSpec.describe Form::Sales::Questions::Buyer1PreviousTenure, type: :model do
       "6" => { "value" => "Living with family or friends" },
       "7" => { "value" => "Temporary accomodation" },
       "9" => { "value" => "Other" },
+      "0" => { "value" => "Don’t know" },
     })
   end
 end

spec/models/form/sales/questions/buyer2_mortgage_spec.rb

@@ -16,11 +16,11 @@ RSpec.describe Form::Sales::Questions::Buyer2Mortgage, type: :model do
   end
 
   it "has the correct header" do
-    expect(question.header).to eq("Was buyer 2's income used for a mortgage application?")
+    expect(question.header).to eq("Was buyer 2’s income used for a mortgage application?")
   end
 
   it "has the correct check_answer_label" do
-    expect(question.check_answer_label).to eq("Buyer 2's income used for mortgage application")
+    expect(question.check_answer_label).to eq("Buyer 2’s income used for mortgage application")
   end
 
   it "has the correct type" do
@@ -35,6 +35,7 @@ RSpec.describe Form::Sales::Questions::Buyer2Mortgage, type: :model do
     expect(question.answer_options).to eq({
       "1" => { "value" => "Yes" },
       "2" => { "value" => "No" },
+      "3" => { "value" => "Don’t know" },
     })
   end