Fix ignored test

`test_rewrites_root_relative_urls` is ignored by redefined.

Author: tricknotes

test/html/pipeline/absolute_source_filter_test.rb

@@ -12,14 +12,13 @@ def setup
     }
   end
 
-  def test_rewrites_root_relative_urls
+  def test_rewrites_root_urls
     orig = %(<p><img src="/img.png"></p>)
-    puts AbsoluteSourceFilter.call(orig, @options).to_s
     assert_equal "<p><img src=\"#{@image_base_url}/img.png\"></p>",
       AbsoluteSourceFilter.call(orig, @options).to_s
   end
 
-  def test_rewrites_root_relative_urls
+  def test_rewrites_relative_urls
     orig = %(<p><img src="post/img.png"></p>)
     assert_equal "<p><img src=\"#{@image_subpage_url}/img.png\"></p>",
       AbsoluteSourceFilter.call(orig, @options).to_s