Use capture_output instead of capture_io.

  It's preparation for migrating test-unit on upstream.

1 files changed, 3 insertions, 3 deletions

diff --git a/test/rdoc/test_rdoc_task.rb b/test/rdoc/test_rdoc_task.rb
index 3ce8529aef..5f91ea2e8b 100644
--- a/test/rdoc/test_rdoc_task.rb
+++ b/test/rdoc/test_rdoc_task.rb
@@ -20,19 +20,19 @@ class TestRDocTask < RDoc::TestCase
   end
 
   def test_inline_source
-    _, err = verbose_capture_io do
+    _, err = verbose_capture_output do
       assert @t.inline_source
     end
 
     assert_equal "RDoc::Task#inline_source is deprecated\n", err
 
-    _, err = verbose_capture_io do
+    _, err = verbose_capture_output do
       @t.inline_source = false
     end
 
     assert_equal "RDoc::Task#inline_source is deprecated\n", err
 
-    capture_io do
+    capture_output do
       assert @t.inline_source
     end
   end