simplify test ops

Author: mnyrop

Rakefile

@@ -7,16 +7,11 @@ require 'yaml'
 namespace :wax do
   desc 'run default html-proofer tests'
   task :test do
-    sh "rm -rf _site .jekyll*"
+    sh "bundle exec jekyll clean"
     sh "bundle exec jekyll build -b '#{@baseurl}' -d '_site#{@baseurl}'"
     opts = {
-      check_external_hash: true,
       allow_hash_href: true,
-      check_html: true,
-      disable_external: true,
-      empty_alt_ignore: true,
       assume_extension: true,
-      only_4xx: true
     }
     HTMLProofer.check_directory('./_site', opts).run
   end