[flori/json] alias_method is private on Ruby 2.3 and 2.4

https://github.com/flori/json/commit/573ef94bc5

1 files changed, 2 insertions, 2 deletions

diff --git a/test/json/json_generator_test.rb b/test/json/json_generator_test.rb
index 5f0101d5f6..04e465e42d 100755
--- a/test/json/json_generator_test.rb
+++ b/test/json/json_generator_test.rb
@@ -395,7 +395,7 @@ EOT
     def test_string_ext_included_calls_super
       included = false
 
-      Module.alias_method(:included_orig, :included)
+      Module.send(:alias_method, [:included_orig, :included])
       Module.remove_method(:included)
       Module.define_method(:included) do |base|
         included_orig(base)
@@ -410,7 +410,7 @@ EOT
     ensure
       if Module.private_method_defined?(:included_orig)
         Module.remove_method(:included) if Module.method_defined?(:included)
-        Module.alias_method(:included, :included_orig)
+        Module.send(:alias_method, [:included, :included_orig])
         Module.remove_method(:included_orig)
       end
     end