Bring back the test for funny reason phrase

Possible now that I've ditched mitmproxy < 2.

test_fake_mitmdump.py

@@ -90,7 +90,8 @@ def test_complex(bench):               # pylint: disable=redefined-outer-name
                 content=b'{foo: "bar"}',
             ),
             tutils.tresp(
-                http_version='HTTP/1.1',  status_code=201, reason=u'Created',
+                http_version='HTTP/1.1',
+                status_code=201, reason=u'Très bien'.encode('iso-8859-1'),
                 headers=Headers([(b'Content-Type', b'text/plain'),
                                  (b'Content-Length', b'14'),
                                  (b'Date', b'Tue, 03 May 2016 14:13:34 GMT')]),
@@ -118,7 +119,7 @@ def test_complex(bench):               # pylint: disable=redefined-outer-name
     assert bench.report == (
         b'------------ request: POST /foo-bar?baz=qux\n'
         b'E 1038 Bad JSON body\n' +
-        b'------------ response: 201 Created\n' +
+        u'------------ response: 201 Très bien\n'.encode('utf-8') +
         b'C 1073 Possibly missing Location header\n'
         b'------------ request: GET /\n'
         b'------------ response: 304 Not Modified\n'