feat: update test

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

@@ -2,7 +2,11 @@ class Form::Sales::Pages::HousingBenefits < ::Form::Page
   def initialize(id, hsh, subsection, joint_purchase:)
     super(id, hsh, subsection)
     @joint_purchase = joint_purchase
-    @depends_on = [{ "jointpur" => @joint_purchase ? 1 : 2 }]
+    @depends_on = [if @joint_purchase
+                     { "joint_purchase?" => true }
+                   else
+                     { "not_joint_purchase?" => true }
+                   end]
   end
 
   def questions