Restore Mutatee#each spec

lib/mutant/mutatee.rb

@@ -29,9 +29,17 @@ module Mutant
     #
     # @api private
     #
-    def each(&block)
+    def each
       return to_enum unless block_given?
-      Mutator.each(node, &block)
+      # FIXME:
+      #   Rubinus <=> Rspec bug
+      #
+      #     Mutator.each(node,&block) 
+      #
+      #   results in rspec expectation mismatch
+      Mutator.each(node) do |mutant|
+        yield mutant
+      end
 
       self
     end

spec/unit/mutant/mutatee/each_spec.rb

@@ -14,7 +14,7 @@ describe Mutant::Mutatee, '#each' do
     Mutant::Mutator.stub(:each).with(ast).and_yield(mutation).and_return(Mutant::Mutator)
   end
 
-  #it_should_behave_like 'an #each method'
+  it_should_behave_like 'an #each method'
 
   it 'should initialize mutator with ast' do
     Mutant::Mutator.should_receive(:each).with(ast).and_yield(mutation).and_return(Mutant::Mutator)