CLDC-1822 Add new reason for vacancy option (#1344)

* feat: add new question option

* test: add new test page

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

@@ -36,6 +36,9 @@ class Form::Lettings::Questions::Rsnvac < ::Form::Question
     "18" => {
       "value" => "Tenant moved to care home",
     },
+    "20" => {
+      "value" => "Tenant moved to long-stay hospital or similar institution",
+    },
     "6" => {
       "value" => "Tenant abandoned property",
     },

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

@@ -0,0 +1,79 @@
+require "rails_helper"
+
+RSpec.describe Form::Lettings::Questions::Rsnvac, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("rsnvac")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("What is the reason for the property being vacant?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Vacancy reason")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("radio")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "13" => {
+        "value" => "Internal transfer",
+        "hint" => "Excluding renewals of a fixed-term tenancy",
+      },
+      "5" => {
+        "value" => "Previous tenant died with no succession",
+      },
+      "9" => {
+        "value" => "Re-let to tenant who occupied same property as temporary accommodation",
+      },
+      "14" => {
+        "value" => "Renewal of fixed-term tenancy",
+      },
+      "19" => {
+        "value" => "Tenant involved in a succession downsize",
+      },
+      "8" => {
+        "value" => "Tenant moved to private sector or other accommodation",
+      },
+      "12" => {
+        "value" => "Tenant moved to other social housing provider",
+      },
+      "18" => {
+        "value" => "Tenant moved to care home",
+      },
+      "20" => {
+        "value" => "Tenant moved to long-stay hospital or similar institution",
+      },
+      "6" => {
+        "value" => "Tenant abandoned property",
+      },
+      "10" => {
+        "value" => "Tenant was evicted due to rent arrears",
+      },
+      "11" => {
+        "value" => "Tenant was evicted due to anti-social behaviour",
+      },
+    })
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to eq(0)
+  end
+end