Fixed small bug in test_generated_site and updating history with latest fixes

test/test_generated_site.rb

@@ -17,11 +17,8 @@ class TestGeneratedSite < Test::Unit::TestCase
       assert @index.include?("#{@site.posts.size} Posts")
     end
 
-    should "render post.content" do
-      latest_post = Dir[source_dir('_posts', '*')].sort.last
-      post = Post.new(@site, source_dir, '', File.basename(latest_post))
-      post.transform
-      assert @index.include?(post.content)
+    should "render latest post's content" do
+      assert @index.include?(@site.posts.last.content)
     end
 
     should "hide unpublished posts" do