diff --git a/test/test_helper.rb b/test/test_helper.rb
index c4d018b8c077f5a8e6715e5acac154f0513017d7..a022a58b3a8039bc93494e6809aaacb5c0cb038e 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -220,6 +220,10 @@ module Geocoder
       def fixture_prefix
         'postcode_anywhere_uk_geocode_v200'
       end
+
+      def default_fixture_filename
+        "#{fixture_prefix}_romsey"
+      end
     end
   end
 end