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-rw-r--r--test/reline/helper.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/reline/helper.rb b/test/reline/helper.rb
index fb2262e7f5..4d0c883c86 100644
--- a/test/reline/helper.rb
+++ b/test/reline/helper.rb
@@ -4,6 +4,7 @@ ENV['TERM'] = 'xterm' # for some CI environments
require 'reline'
require 'test/unit'
+require 'test/unit/rr'
begin
require 'rbconfig'