Update default route text for next page

Author: SamJamCul

app/services/routes/build_service.rb

@@ -45,7 +45,7 @@ def options_for_goto_page(page, selected = nil)
       if drop
         if value == next_page_id
           drop = false
-          ["Go to question #{page.position.next}", Forms::RouteInput::DEFAULT_VALUE]
+          ["#{page.position.next}. #{next_page.question_text}", Forms::RouteInput::DEFAULT_VALUE]
         elsif selected && value == selected
           option
         end

spec/services/routes/build_service_spec.rb

@@ -242,7 +242,7 @@
       options = service.options_for_goto_page(pages.first)
       default_option = options.find { |opt| opt[1] == Forms::RouteInput::DEFAULT_VALUE }
 
-      expect(default_option).to eq(["Go to question 2", Forms::RouteInput::DEFAULT_VALUE])
+      expect(default_option).to eq(["2. #{pages.second.question_text}", Forms::RouteInput::DEFAULT_VALUE])
     end
 
     it "does not include the current page in the options" do
@@ -256,7 +256,7 @@
       options = service.options_for_goto_page(pages.second)
 
       expect(options).to eq [
-        ["Go to question 3", Forms::RouteInput::DEFAULT_VALUE],
+        ["3. #{pages.third.question_text}", Forms::RouteInput::DEFAULT_VALUE],
         ["End of the form", "end_of_form"],
       ]
     end
@@ -267,7 +267,7 @@
 
         expect(options).to eq [
           ["1. #{pages.first.question_text}", pages.first.id],
-          ["Go to question 3", Forms::RouteInput::DEFAULT_VALUE],
+          ["3. #{pages.third.question_text}", Forms::RouteInput::DEFAULT_VALUE],
           ["End of the form", "end_of_form"],
         ]
       end

spec/views/routes/show.html.erb_spec.rb

@@ -81,15 +81,15 @@ def select_options(select_field)
 
       expect(rendered).to have_selector('.govuk-select[name="forms_routes_input[routes_attributes][0][goto]"]') do |field|
         expect(select_options(field)).to eq [
-          ["default", "Go to question 2"],
+          ["default", "2. #{pages.second.question_text}"],
           ["103", "3. #{pages.third.question_text}"],
           ["end_of_form", "End of the form"],
         ]
       end
 
       expect(rendered).to have_selector('.govuk-select[name="forms_routes_input[routes_attributes][1][goto]"]') do |field|
         expect(select_options(field)).to eq [
-          ["default", "Go to question 3"],
+          ["default", "3. #{pages.third.question_text}"],
           ["end_of_form", "End of the form"],
         ]
       end