Fix for pub.

pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart

Index: pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart
diff --git a/pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart b/pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart
index d32f787c67e894062a3c8425ff7d78ccc685109c..f326ac133f3c532ca6ff1a34a1e086ec3fcb7302 100644
--- a/pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart
+++ b/pkg/scheduled_test/lib/src/scheduled_server/safe_http_server.dart
@@ -134,9 +134,11 @@ class _HttpResponseWrapper implements HttpResponse {
   void writeBytes(List<int> data) => _inner.writeBytes(data);
   Future<HttpResponse> consume(Stream<List<int>> stream) =>
     _inner.consume(stream);
+  Future<HttpResponse> addStream(Stream<List<int>> stream) =>
+    _inner.writeStream(stream);
   Future<HttpResponse> writeStream(Stream<List<int>> stream) =>
     _inner.writeStream(stream);
-  void close() => _inner.close();
+  Future close() => _inner.close();
   void write(Object obj) => _inner.write(obj);
   void writeAll(Iterable objects, [String separator = ""]) =>
     _inner.writeAll(objects, separator);