1 files changed, 2 insertions, 1 deletions
diff --git a/actionpack/test/dispatch/request/json_params_parsing_test.rb b/actionpack/test/dispatch/request/json_params_parsing_test.rb
index 2022586912..c0c3147e37 100644
--- a/actionpack/test/dispatch/request/json_params_parsing_test.rb
+++ b/actionpack/test/dispatch/request/json_params_parsing_test.rb
@@ -47,7 +47,8 @@ class JsonParamsParsingTest < ActionDispatch::IntegrationTest
         $stderr = StringIO.new # suppress the log
         json = "[\"person]\": {\"name\": \"David\"}}"
         exception = assert_raise(ActionDispatch::ParamsParser::ParseError) { post "/parse", json, {'CONTENT_TYPE' => 'application/json', 'action_dispatch.show_exceptions' => false} }
-        assert_match json, exception.message
+        assert_equal MultiJson::DecodeError, exception.original_exception.class
+        assert_equal exception.original_exception.message, exception.message
       ensure
         $stderr = STDERR
       end