remove implementation details

core/module/autoload_spec.rb

@@ -443,32 +443,6 @@ class ModuleSpecs::Autoload::Z < ModuleSpecs::Autoload::ZZ
 end
 
 describe "Module#autoload" do
-  # It would be nice to check this with a simple obj.should_not_receive,
-  # but getting at that obj is implementation specific. This method is the
-  # least implementation specific because it inserts the method that raises
-  # an exception into the dynamic lookup chain.
-  before :all do
-    module Kernel
-      alias_method :original_require, :require
-      alias_method :original_load,    :load
-
-      def require(name)
-        raise Exception, "Kernel#require called"
-      end
-
-      def load(name)
-        raise Exception, "Kernel#load called"
-      end
-    end
-  end
-
-  after :all do
-    module Kernel
-      alias_method :require, :original_require
-      alias_method :load,    :original_load
-    end
-  end
-
   it "does not call Kernel#require or Kernel#load dynamically" do
     ModuleSpecs::Autoload.autoload :N, fixture(__FILE__, "autoload_n.rb")
     ModuleSpecs::Autoload::N.should == :autoload_n