diff --git a/spec/helpers/tab_nav_helper_spec.rb b/spec/helpers/tab_nav_helper_spec.rb
index aa93b839d..bc82629a9 100644
--- a/spec/helpers/tab_nav_helper_spec.rb
+++ b/spec/helpers/tab_nav_helper_spec.rb
@@ -1,5 +1,7 @@
 require "rails_helper"
 
+using RefinementTest
+
 RSpec.describe TabNavHelper do
   let(:organisation) { FactoryBot.create(:organisation) }
   let(:user) { FactoryBot.build(:user, organisation:) }
@@ -23,7 +25,7 @@ RSpec.describe TabNavHelper do
   describe "#location_cell" do
     it "returns the location link to the postcode with optional name" do
       link = "/schemes/#{location.scheme.id}/locations/#{location.id}/edit"
-      expected_html = "<a class=\"govuk-link\" rel=\"nofollow\" data-method=\"patch\" href=\"/schemes/#{scheme.id}/locations/#{location.id}/edit\">#{location.postcode}</a>\n<span class=\"govuk-visually-hidden\">Location </span><span class=\"govuk-!-font-weight-regular app-!-colour-muted\">#{location.name}</span>"
+      expected_html = "<a class=\"govuk-link\" rel=\"nofollow\" data-method=\"patch\" href=\"/schemes/#{scheme.id}/locations/#{location.id}/edit\">#{location.postcode.formatted_postcode}</a>\n<span class=\"govuk-visually-hidden\">Location </span><span class=\"govuk-!-font-weight-regular app-!-colour-muted\">#{location.name}</span>"
       expect(location_cell(location, link)).to match(expected_html)
     end
   end