Add previous ownership page and update subsection

app/models/form/sales/pages/previous_ownership.rb

@@ -0,0 +1,15 @@
+class Form::Sales::Pages::PreviousOwnership < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "previous_ownership"
+    @header = ""
+    @description = ""
+    @subsection = subsection
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::Prevown.new(nil, nil, self),
+    ]
+  end
+end

app/models/form/sales/subsections/income_benefits_and_savings.rb

@@ -13,6 +13,7 @@ class Form::Sales::Subsections::IncomeBenefitsAndSavings < ::Form::Subsection
       Form::Sales::Pages::Buyer1Mortgage.new(nil, nil, self),
       Form::Sales::Pages::Buyer2Income.new(nil, nil, self),
       Form::Sales::Pages::Savings.new(nil, nil, self),
+      Form::Sales::Pages::PreviousOwnership.new(nil, nil, self),
     ]
   end
 end

spec/models/form/sales/pages/previous_ownership_spec.rb

@@ -0,0 +1,29 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::PreviousOwnership, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[prevown])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("previous_ownership")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to eq("")
+  end
+
+  it "has the correct description" do
+    expect(page.description).to eq("")
+  end
+end

spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb

@@ -18,6 +18,7 @@ RSpec.describe Form::Sales::Subsections::IncomeBenefitsAndSavings, type: :model
         buyer_1_mortgage
         buyer_2_income
         savings
+        previous_ownership
       ],
     )
   end

spec/models/form_handler_spec.rb

@@ -52,14 +52,14 @@ RSpec.describe FormHandler do
     it "is able to load a current sales form" do
       form = form_handler.get_form("current_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(47)
+      expect(form.pages.count).to eq(48)
       expect(form.name).to eq("2022_2023_sales")
     end
 
     it "is able to load a previous sales form" do
       form = form_handler.get_form("previous_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(47)
+      expect(form.pages.count).to eq(48)
       expect(form.name).to eq("2021_2022_sales")
     end
   end