Digest::HMAC is removed now.

Author: headius

lib/ruby/stdlib/digest/hmac.rb

@@ -175,7 +175,6 @@ date/test_switch_hitter.rb
 
 digest/test_digest.rb
 digest/test_digest_extend.rb
-digest/test_digest_hmac.rb
 
 erb/test_erb.rb
 erb/test_erb_m17n.rb