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-rwxr-xr-xtest/json/test_json.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/json/test_json.rb b/test/json/test_json.rb
index 07287eed81..8fe9459978 100755
--- a/test/json/test_json.rb
+++ b/test/json/test_json.rb
@@ -1,5 +1,6 @@
#!/usr/bin/env ruby
# encoding: utf-8
+# frozen_string_literal: false
require 'test/unit'
require File.join(File.dirname(__FILE__), 'setup_variant')