test/layouts/test_json.rb in logging-1.6.1 vs test/layouts/test_json.rb in logging-1.6.2

@@ -9,10 +9,10 @@
 
     def setup
       super
       @layout = Logging.layouts.json({})
       @levels = Logging::LEVELS
-      @date_fmt = '\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}'
+      @date_fmt = '\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{6}(Z|[+-]\d{2}:\d{2})'
       Thread.current[:name] = nil
     end
 
     def test_initializer
       assert_raise(ArgumentError) {