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-rw-r--r--test/net/smtp/test_response.rb2
-rw-r--r--test/net/smtp/test_smtp.rb2
-rw-r--r--test/net/smtp/test_ssl_socket.rb2
3 files changed, 3 insertions, 3 deletions
diff --git a/test/net/smtp/test_response.rb b/test/net/smtp/test_response.rb
index 79ac1d2d32..3cf909a762 100644
--- a/test/net/smtp/test_response.rb
+++ b/test/net/smtp/test_response.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
require 'net/smtp'
require 'test/unit'
diff --git a/test/net/smtp/test_smtp.rb b/test/net/smtp/test_smtp.rb
index 89a08cb17b..3a9749504d 100644
--- a/test/net/smtp/test_smtp.rb
+++ b/test/net/smtp/test_smtp.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
require 'net/smtp'
require 'stringio'
require 'test/unit'
diff --git a/test/net/smtp/test_ssl_socket.rb b/test/net/smtp/test_ssl_socket.rb
index 354f413040..342391f159 100644
--- a/test/net/smtp/test_ssl_socket.rb
+++ b/test/net/smtp/test_ssl_socket.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
require 'net/smtp'
require 'test/unit'