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-rw-r--r--activesupport/test/multibyte_grapheme_break_conformance_test.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/test/multibyte_grapheme_break_conformance_test.rb b/activesupport/test/multibyte_grapheme_break_conformance_test.rb
index b3328987ae..855626e779 100644
--- a/activesupport/test/multibyte_grapheme_break_conformance_test.rb
+++ b/activesupport/test/multibyte_grapheme_break_conformance_test.rb
@@ -1,4 +1,5 @@
# encoding: utf-8
+# frozen_string_literal: true
require "abstract_unit"
require "multibyte_test_helpers"