[ruby/rdoc] test: Add tests for RDoc::TokenStream#add_tokens, add_token ,collect_tokens and pop_token
https://github.com/ruby/rdoc/commit/9ed530b8f9
[ruby/rdoc] test: Add tests for RDoc::TokenStream#add_tokens, add_token ,collect_tokens and pop_token
https://github.com/ruby/rdoc/commit/9ed530b8f9