Merge pull request #495 from rspec/verify-partial-doubles-by-default-2

Verify partial doubles by default, take 2

Author: pirj

spec/rspec/support/recursive_const_methods_spec.rb

@@ -12,7 +12,7 @@ class Parent
 
         class Bar < Parent
           VAL = 10
-          def to_str
+          def self.to_str
             "Bar"
           end
         end