Ruby 1.8.7 must have strings as keys to the #instance_methods. 1.9+ doesn't care.

Author: sarahmei

lib/rspec/rails/view_spec_methods.rb

@@ -9,7 +9,7 @@ module ViewSpecMethods
       # When class is `::ActionView::TestCase::TestController`, these methods
       # are exposed in view specs on the `controller` object.
       def add_to(klass)
-        return if klass.instance_methods.include?(:extra_params) && klass.instance_methods.include?(:extra_params=)
+        return if klass.instance_methods.include?("extra_params") && klass.instance_methods.include?("extra_params=")
 
         klass.module_exec do
           # Set any extra parameters that rendering a URL for this view