Merge pull request #565 from aycabta/fix-test-for-ruby-title

Fix test_parse_instance_operation_method for ruby-title

Author: aycabta

test/test_rdoc_parser_ruby.rb

@@ -2682,7 +2682,7 @@ def self.& end
     RUBY
 
     expected = <<EXPECTED
-  <span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier">&amp;</span> <span class="ruby-keyword">end</span>
+  <span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier ruby-title">&amp;</span> <span class="ruby-keyword">end</span>
 <span class="ruby-keyword">end</span>
 EXPECTED
     expected = expected.rstrip