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-rw-r--r--actionpack/test/dispatch/system_testing/screenshot_helper_test.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/system_testing/screenshot_helper_test.rb b/actionpack/test/dispatch/system_testing/screenshot_helper_test.rb
index a83818fd80..c8711f22d8 100644
--- a/actionpack/test/dispatch/system_testing/screenshot_helper_test.rb
+++ b/actionpack/test/dispatch/system_testing/screenshot_helper_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "abstract_unit"
require "action_dispatch/system_testing/test_helpers/screenshot_helper"
require "capybara/dsl"