[4.1.1] Added compatibility with Dart 2.5.0

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 4.1.1 - Sept 10, 2019
+- Added compatibility with Dart 2.5.0
+
 ## 4.1.0 - Aug 04, 2019
 - Added `defaultResponse`
 

lib/mock_web_server.dart

@@ -233,7 +233,7 @@ class MockWebServer {
     StringBuffer body = new StringBuffer();
     Completer<String> completer = new Completer();
 
-    request.transform(utf8.decoder).listen((data) {
+    utf8.decoder.bind(request).listen((data) {
       body.write(data);
     }, onDone: () {
       completer.complete(body.toString());