skip rake dependent tests

rake is not available until installation now, so skip rake
dependent tests unless it can load.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 2 deletions

diff --git a/test/rdoc/test_rdoc_task.rb b/test/rdoc/test_rdoc_task.rb
index 43d458981d..610684e540 100644
--- a/test/rdoc/test_rdoc_task.rb
+++ b/test/rdoc/test_rdoc_task.rb
@@ -1,5 +1,8 @@
 require 'rdoc/test_case'
-require 'rake'
+begin
+  require 'rake'
+rescue LoadError
+end
 
 class TestRDocTask < RDoc::TestCase
 
@@ -166,5 +169,5 @@ class TestRDocTask < RDoc::TestCase
     assert_equal %w[-o html] << "--title" << "Test Title Option", rdoc_task.option_list
   end
 
-end
+end if defined?(Rake::Task)