feat: add answer option and test (#2190)

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

@@ -17,7 +17,7 @@ class Form::Sales::Questions::Mortgageused < ::Form::Question
   }.freeze
 
   def displayed_answer_options(log, _user = nil)
-    if log.stairowned == 100
+    if log.stairowned == 100 || @ownershipsch == 3
       ANSWER_OPTIONS
     else
       {

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

@@ -51,7 +51,19 @@ RSpec.describe Form::Sales::Questions::Mortgageused, type: :model do
   context "when staircase owned percentage is 100%" do
     let(:log) { build(:sales_log, stairowned: 100) }
 
-    it "show's the don't know option" do
+    it "shows the don't know option" do
+      expect(question.displayed_answer_options(log)).to eq({
+        "1" => { "value" => "Yes" },
+        "2" => { "value" => "No" },
+        "3" => { "value" => "Don’t know" },
+      })
+    end
+  end
+
+  context "when an outright sale" do
+    subject(:question) { described_class.new(question_id, question_definition, page, ownershipsch: 3) }
+
+    it "shows the don't know option" do
       expect(question.displayed_answer_options(log)).to eq({
         "1" => { "value" => "Yes" },
         "2" => { "value" => "No" },
@@ -63,7 +75,7 @@ RSpec.describe Form::Sales::Questions::Mortgageused, type: :model do
   context "when staircase owned percentage is less than 100%" do
     let(:log) { build(:sales_log, stairowned: 99) }
 
-    it "show's the don't know option" do
+    it "shows the don't know option" do
       expect(question.displayed_answer_options(log)).to eq({
         "1" => { "value" => "Yes" },
         "2" => { "value" => "No" },