add breaking test for escaped html using content_for

middleman-core/features/content_for.feature

@@ -3,14 +3,14 @@ Feature: Support content_for and yield_content helpers
   Scenario: content_for works as expected in erb
     Given the Server is running at "content-for-app"
     When I go to "/content_for_erb.html"
-    Then I should see "In Layout: I am the yielded content erb"
+    Then I should see "In Layout: I am the yielded content erb <s>with html tags</s>"
     
   Scenario: content_for works as expected in haml
     Given the Server is running at "content-for-app"
     When I go to "/content_for_haml.html"
-    Then I should see "In Layout: I am the yielded content haml"
+    Then I should see "In Layout: I am the yielded content haml <s>with html tags</s>"
     
   Scenario: content_for works as expected in slim
     Given the Server is running at "content-for-app"
     When I go to "/content_for_slim.html"
-    Then I should see "In Layout: I am the yielded content slim"
+    Then I should see "In Layout: I am the yielded content slim <s>with html tags</s>"

middleman-core/fixtures/content-for-app/source/content_for_erb.html.erb

@@ -1,5 +1,5 @@
 <% content_for :from_template do %>
-  I am the yielded content erb
+  I am the yielded content erb <s>with html tags</s>
 <% end %>
 
 I am in the template

middleman-core/fixtures/content-for-app/source/content_for_haml.html.haml

@@ -1,4 +1,4 @@
 - content_for :from_template do
-  = "I am the yielded content haml"
+  = "I am the yielded content haml <s>with html tags</s>"
 
 %p I am in the template

middleman-core/fixtures/content-for-app/source/content_for_slim.html.slim

@@ -1,4 +1,5 @@
 - content_for :from_template do
   | I am the yielded content slim 
+  s with html tags
 
 | I am in the template