7 files changed, 7 insertions, 0 deletions
diff --git a/test/uri/test_common.rb b/test/uri/test_common.rb
index 562041535e..4a7300fce7 100644
--- a/test/uri/test_common.rb
+++ b/test/uri/test_common.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri'
 
diff --git a/test/uri/test_ftp.rb b/test/uri/test_ftp.rb
index cc6843e60f..0eec984db8 100644
--- a/test/uri/test_ftp.rb
+++ b/test/uri/test_ftp.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri/ftp'
 
diff --git a/test/uri/test_generic.rb b/test/uri/test_generic.rb
index 941d8ffa02..eda6497da2 100644
--- a/test/uri/test_generic.rb
+++ b/test/uri/test_generic.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri'
 
diff --git a/test/uri/test_http.rb b/test/uri/test_http.rb
index 5d04e8cc6d..1125988602 100644
--- a/test/uri/test_http.rb
+++ b/test/uri/test_http.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri/http'
 
diff --git a/test/uri/test_ldap.rb b/test/uri/test_ldap.rb
index a4cdbff275..adad4454b5 100644
--- a/test/uri/test_ldap.rb
+++ b/test/uri/test_ldap.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri/ldap'
 
diff --git a/test/uri/test_mailto.rb b/test/uri/test_mailto.rb
index 9001835d28..4e3b0425fa 100644
--- a/test/uri/test_mailto.rb
+++ b/test/uri/test_mailto.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri/mailto'
 
diff --git a/test/uri/test_parser.rb b/test/uri/test_parser.rb
index 188b4f858c..757ac86c74 100644
--- a/test/uri/test_parser.rb
+++ b/test/uri/test_parser.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require 'test/unit'
 require 'uri'