Make request_test wait for its results.

pkg/http/test/request_test.dart

Index: pkg/http/test/request_test.dart
diff --git a/pkg/http/test/request_test.dart b/pkg/http/test/request_test.dart
index 1b3d4cace964a16021ffb2e5a895c0ab1d3f8e25..7ab1da61b68978e146fe8a2d57f2c550473cf76d 100644
--- a/pkg/http/test/request_test.dart
+++ b/pkg/http/test/request_test.dart
@@ -21,9 +21,9 @@ void main() {
       expect(response.statusCode, equals(200));
       return consumeInputStream(response.stream);
     }).transform((bytes) => new String.fromCharCodes(bytes));
-    future.onComplete((_) {
+    future.onComplete(expectAsync1((_) {
       stopServer();
-    });
+    }));
 
     expect(future, completion(parse(equals({
       'method': 'POST',
@@ -196,11 +196,11 @@ void main() {
       print("#followRedirects test response received");
       expect(response.statusCode, equals(302));
     });
-    future.onComplete((_) {
+    future.onComplete(expectAsync1((_) {
       print("#followRedirects test stopping server...");
       stopServer();
       print("#followRedirects test server stopped");
-    });
+    }));
 
     expect(future, completes);
     print("#followRedirects test started");
@@ -220,11 +220,11 @@ void main() {
       expect(e, isRedirectLimitExceededException);
       expect(e.redirects.length, equals(2));
     });
-    future.onComplete((_) {
+    future.onComplete(expectAsync1((_) {
       print("#maxRedirects test stopping server...");
       stopServer();
       print("#maxRedirects test server stopped");
-    });
+    }));
 
     expect(future, completes);
     print("#maxRedirects test started");