    # File tests/wntestcase.rb, line 219
                    def assert_has_ivar( sym, object )
                            sym = "@#{sym}" unless /^@/ =~ sym.to_s
                            msg = "Object <%s> expected to have an instance variable <%s>" %
                                    [ object.inspect, sym ]
                            assert_block( msg ) {
                                    object.instance_variables.include?( sym.to_s )
                            }
                    end