Fixed broken test with autoload on JRuby

Author: hsbt

.travis.yml

@@ -9,10 +9,8 @@ rvm:
   - 2.4.3
   - 2.5.0
   - ruby-head
+  - jruby-9.1.15.0
 env:
   global:
     NOBENCHMARK=1
 script: rake
-matrix:
-  allow_failures:
-    - rvm: jruby-9.1.15.0

lib/rdoc.rb

@@ -153,7 +153,7 @@ def self.load_yaml
 
   autoload :Comment,        'rdoc/comment'
 
-  autoload :I18n,           'rdoc/i18n'
+  require 'rdoc/i18n'
 
   # code objects
   #

lib/rdoc/generator/pot.rb

@@ -91,8 +91,8 @@ def extract_messages
     extractor.extract
   end
 
-  autoload :MessageExtractor, 'rdoc/generator/pot/message_extractor'
-  autoload :PO,               'rdoc/generator/pot/po'
-  autoload :POEntry,          'rdoc/generator/pot/po_entry'
+  require 'rdoc/generator/pot/message_extractor'
+  require 'rdoc/generator/pot/po'
+  require 'rdoc/generator/pot/po_entry'
 
 end

lib/rdoc/i18n.rb

@@ -5,6 +5,6 @@
 module RDoc::I18n
 
   autoload :Locale, 'rdoc/i18n/locale'
-  autoload :Text,   'rdoc/i18n/text'
+  require 'rdoc/i18n/text'
 
 end