1 files changed, 5 insertions, 1 deletions
diff --git a/activesupport/test/json/encoding_test_cases.rb b/activesupport/test/json/encoding_test_cases.rb
index 8eac246937..7e4775cec8 100644
--- a/activesupport/test/json/encoding_test_cases.rb
+++ b/activesupport/test/json/encoding_test_cases.rb
@@ -1,4 +1,8 @@
 require "bigdecimal"
+require "date"
+require "time"
+require "pathname"
+require "uri"
 
 module JSONTest
   class Foo
@@ -23,7 +27,7 @@ module JSONTest
     end
   end
 
-  class MyStruct < Struct.new(:name, :value)
+  MyStruct = Struct.new(:name, :value) do
     def initialize(*)
       @unused = "unused instance variable"
       super