Added to rails test for have_tag

spec/integration/rails/app/views/webrat/form.html.erb

@@ -1,4 +1,4 @@
-<h1>Webrat Form</h1>
+<h1 id='form_title' class='form title'>Webrat Form</h1>
 
 <% form_tag submit_path do %>
   <label>

spec/integration/rails/test/integration/webrat_test.rb

@@ -66,4 +66,9 @@ class WebratTest < ActionController::IntegrationTest
     visit root_path
     assert_have_selector "h1"
   end
+  
+  test "should be able to assert have tag" do
+    visit root_path
+    assert_have_tag "h1"
+  end
 end