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-rw-r--r--actionview/test/actionpack/abstract/abstract_controller_test.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionview/test/actionpack/abstract/abstract_controller_test.rb b/actionview/test/actionpack/abstract/abstract_controller_test.rb
index 8f65a61493..2bf2ddcc70 100644
--- a/actionview/test/actionpack/abstract/abstract_controller_test.rb
+++ b/actionview/test/actionpack/abstract/abstract_controller_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "abstract_unit"
require "set"