rack.feature in yarn-0.0.2

- old
+ new
@@ -2,17 +2,14 @@
 
   As a developer
   I want to have a rack handler
   In order to serve rack applications
 
-  @wip
   Scenario: Serve a one-file rack application
-    Given I have a rack application "simple_rack.rb"
-    And the server is running as "rack"
+    Given the rack test app is running
     When I go to "/"
-    Then the response should contain "rack works"
+    Then the response should contain "Rack works"
 
   Scenario: Serve a rails application
-    Given I have a rails application "rails_test"
-    And the server is running as "rack"
-    When I go to "/rails_text/home/index"
-    Then the response should contain "Rack rails works"
+    Given the rails test app is running
+    When I go to ""
+    Then the response should contain "Yarn Test Blog"