Fix metadata tests

test/test_wiki.rb

@@ -198,6 +198,7 @@ context "Wiki page writing" do
     assert_equal cd[:email], @wiki.repo.commits.first.author.email
   end
 
+if $METADATA
   test "page title override with metadata" do
     @wiki.write_page("Gollum", :markdown, "<!-- --- title: Over -->", commit_details)
 
@@ -205,6 +206,7 @@ context "Wiki page writing" do
 
     assert_equal 'Over', page.url_path_title
   end
+end
 
   test "update page with format change" do
     @wiki.write_page("Gollum", :markdown, "# Gollum", commit_details)