Fix an error in multipart_test

R=nweiz@google.com

Review URL: https://codereview.chromium.org//2133143002 .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24f8878..b149a29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.11.4-dev
+
+* Fix an error in multipart_test.
+
 ## 0.11.3+8
 
 * Properly specify `Content-Transfer-Encoding` for multipart chunks.
diff --git a/pubspec.yaml b/pubspec.yaml
index 370a7e1..6a42c7a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: http
-version: 0.11.3+8
+version: 0.11.4-dev
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/http
 description: A composable, Future-based API for making HTTP requests.
diff --git a/test/multipart_test.dart b/test/multipart_test.dart
index c9fcf6b..2a61430 100644
--- a/test/multipart_test.dart
+++ b/test/multipart_test.dart
@@ -96,6 +96,8 @@
         --{{boundary}}
         content-disposition: form-data; name="field"
         content-type: text/plain; charset=utf-8
+        content-transfer-encoding: binary
+
 
         vⱥlūe
         --{{boundary}}--