# File lib/migration_test_helper.rb, line 135
    def column(colname,type,options={})
      colname = colname.to_s
      @columns << colname
      col = conn.columns(name).find {|c| c.name == colname }
      assert_not_nil col, "column <#{colname}> not found in table <#{self.name}>"
      assert_equal type, col.type, "wrong type for column <#{colname}> in table <#{name}>"
      options.each do |k,v|
        k = k.to_sym; actual = col.send(k); actual = actual.is_a?(String) ? actual.sub(/'$/,'').sub(/^'/,'') : actual
        assert_equal v, actual, "column <#{colname}> in table <#{name}> has wrong :#{k}"
      end
    end