Fix ALL the pub tests.

pkg/http/test/client_test.dart

Index: pkg/http/test/client_test.dart
diff --git a/pkg/http/test/client_test.dart b/pkg/http/test/client_test.dart
index d2f149c6344c8c72e3491f51e5860bf61f495b5a..97eacda4d23dff26a182a8fcc43eaa0965e86f62 100644
--- a/pkg/http/test/client_test.dart
+++ b/pkg/http/test/client_test.dart
@@ -5,6 +5,7 @@
 library client_test;
 
 import 'dart:io';
+import 'dart:uri';
 
 import 'package:unittest/unittest.dart';
 import 'package:http/http.dart' as http;
@@ -38,4 +39,17 @@ void main() {
     request.sink.add('{"hello": "world"}'.charCodes);
     request.sink.close();
   });
+
+  test('#send with an invalid URL', () {
+    var client = new http.Client();
+    var url = new Uri.fromString('http://http.invalid');
+    var request = new http.StreamedRequest("POST", url);
+    request.headers[HttpHeaders.CONTENT_TYPE] =
+      'application/json; charset=utf-8';
+
+    expect(client.send(request), throwsSocketIOException);
+
+    request.sink.add('{"hello": "world"}'.charCodes);
+    request.sink.close();
+  });
 }