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-rw-r--r--activesupport/test/cache/behaviors/encoded_key_cache_behavior.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/test/cache/behaviors/encoded_key_cache_behavior.rb b/activesupport/test/cache/behaviors/encoded_key_cache_behavior.rb
index 4d8e2946b2..9fab1f966d 100644
--- a/activesupport/test/cache/behaviors/encoded_key_cache_behavior.rb
+++ b/activesupport/test/cache/behaviors/encoded_key_cache_behavior.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
# https://rails.lighthouseapp.com/projects/8994/tickets/6225-memcachestore-cant-deal-with-umlauts-and-special-characters
# The error is caused by character encodings that can't be compared with ASCII-8BIT regular expressions and by special
# characters like the umlaut in UTF-8.