update test for non-matching pattern with '!' character.

* config
<match **>
  type rewrite_tag_filter
  rewriterule1 domain !^www\..+$ not_start_with_www
  rewriterule2 domain ^www\..+$ start_with_www
</match>

* input
{'domain' => 'www.google.com'}
{'path' => '/'}
{'domain' => 'maps.google.com'}

* the result of rake test is below. ( order: ["tag", time, {record}] )
["start_with_www", 1372164025, {"domain"=>"www.google.com"}]
["not_start_with_www", 1372164025, {"path"=>"/"}]
["not_start_with_www", 1372164025, {"domain"=>"maps.google.com"}]