can't seem to overwrite the run method

overriding ruby Test::Unit

require 'curb'
class Test::Unit::TestCase
  def run(result)
    ##  CALL TO REMOTE  ###
     require 'ruby-debug'       
     debugger  
     Curl::Easy.http_post('apigen.info') {|g| true }
     puts 'do stuff'
#####         

     yield(STARTED, name)
     @_result = result
     begin
       setup
       __send__(@method_name)
     rescue Test::Unit::AssertionFailedError => e
       add_failure(e.message, e.backtrace)
     rescue Exception
       raise if PASSTHROUGH_EXCEPTIONS.include? $!.class
       add_error($!)
     ensure
       begin
         teardown
       rescue AssertionFailedError => e
         add_failure(e.message, e.backtrace)
       rescue Exception
         raise if PASSTHROUGH_EXCEPTIONS.include? $!.class
         add_error($!)
       end
     end
     result.add_run
     yield(FINISHED, name)
   end
end

# to be included into subclasses of Test::Unit::TestCase
module Behavioralism
    def self.included(base)
      base.extend ClassMethods  
    end
                

    module ClassMethods
      

    end
end