Test::Unit::TestCase with PWD methods

my_power_test_unit_testcase.rb

require 'test/unit'

module Test
  module Unit
    module TestCase
      def turn_public_methods(klass)
        klass.class_eval do
        private_instance_methods.each { |instance_method| public instance_method }
        private_methods.each { |method| public_class_method method } 
      end   
  
      def p80(*args)
        p '*'*80
        args.each {|text| p text }
        yield if block_given?
        p '*'*80
      end
    end

    module Assertions
      public
      def assert_true(boolean, message=nil)
        _wrap_assertion do
          assert_block("assert should not be called with a block.") { !block_given? }
          assert_block(build_message(message, "<?> is not true.", boolean)) { boolean.class == TrueClass }
        end
      end

      public
      def assert_false(boolean, message=nil)
        _wrap_assertion do
          assert_block("assert should not be called with a block.") { !block_given? }
          assert_block(build_message(message, "<?> is not false.", boolean)) { boolean.class == FalseClass }
        end
      end   
    end
  end
end