Merge pull request #864 from rspec/fixup_view_caching

clear cached templates between specs

Fixes the 2-99 build, see #864

Author: JonRowe

lib/rspec/rails/example/view_example_group.rb

@@ -152,6 +152,9 @@ def _include_controller_helpers
           view.lookup_context.prefixes << _controller_path
         end
 
+        # fixes bug with differing formats
+        view.lookup_context.view_paths.each(&:clear_cache)
+
         controller.controller_path = _controller_path
         controller.request.path_parameters[:controller] = _controller_path
         controller.request.path_parameters[:action]     = _inferred_action unless _inferred_action =~ /^_/