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-rw-r--r--test/racc/case.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/racc/case.rb b/test/racc/case.rb
index d5f9dad23f..f4240bfd21 100644
--- a/test/racc/case.rb
+++ b/test/racc/case.rb
@@ -10,7 +10,7 @@ require 'timeout'
module Racc
class TestCase < Test::Unit::TestCase
- PROJECT_DIR = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+ PROJECT_DIR = File.expand_path(File.join(__dir__, '..'))
test_dir = File.join(PROJECT_DIR, 'test')
test_dir = File.join(PROJECT_DIR, 'racc') unless File.exist?(test_dir)