restored the ability to use method missing matchers like be_blank or …

…be_true in before blocks for routing example groups

lib/rspec/rails/example/routing_example_group.rb

@@ -9,7 +9,10 @@ module RoutingExampleGroup
     include RSpec::Rails::Matchers::RoutingMatchers::RouteHelpers
 
     module InstanceMethods
-      attr_reader :routes
+
+      def routes
+        @routes ||= ::Rails.application.routes
+      end
 
       private
 
@@ -20,10 +23,6 @@ def method_missing(m, *args, &block)
 
     included do
       metadata[:type] = :routing
-
-      before do
-        @routes = ::Rails.application.routes
-      end
     end
   end
 end