improve unicode support

recipes/engine_tests/unicode.py

Index: recipes/engine_tests/unicode.py
diff --git a/recipe_modules/tempfile/example.py b/recipes/engine_tests/unicode.py
similarity index 57%
copy from recipe_modules/tempfile/example.py
copy to recipes/engine_tests/unicode.py
index f9f8c89583f6e2730d8472657a76843c139057d0..138f1763fac2c50999627aa9d965a68a1dabc0f6 100644
--- a/recipe_modules/tempfile/example.py
+++ b/recipes/engine_tests/unicode.py
@@ -1,15 +1,19 @@
+# -*- coding: utf-8 -*-
 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 DEPS = [
-  'tempfile',
+    'properties',
+    'step',
 ]
 
 def RunSteps(api):
-  with api.tempfile.temp_dir('foo'):
-    pass
-
+  result = api.step(
+      'trigger some junk',
+      cmd=['echo', 'hi'],
+  )
+  result.presentation.logs['thing'] = u'hiiiii 😀…'
 
 def GenTests(api):
   yield api.test('basic')