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-rw-r--r--activerecord/test/support/connection_helper.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/test/support/connection_helper.rb b/activerecord/test/support/connection_helper.rb
index 4a19e5df44..5e37a4a991 100644
--- a/activerecord/test/support/connection_helper.rb
+++ b/activerecord/test/support/connection_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ConnectionHelper
def run_without_connection
original_connection = ActiveRecord::Base.remove_connection