Fix secure_socket_bad_data_test to allow early failure.

tests/standalone/io/secure_socket_bad_data_test.dart

Index: tests/standalone/io/secure_socket_bad_data_test.dart
diff --git a/tests/standalone/io/secure_socket_bad_data_test.dart b/tests/standalone/io/secure_socket_bad_data_test.dart
index 0b6f8135d154bbbde4e83b30356f0181122b40f1..de4b3f7befd81b19c0c3a14d7e0883cd246167d2 100644
--- a/tests/standalone/io/secure_socket_bad_data_test.dart
+++ b/tests/standalone/io/secure_socket_bad_data_test.dart
@@ -142,18 +142,22 @@ Future<List> connectClient(int port, bool hostnameInConnect) =>
 
 Future test(bool hostnameInConnect) {
   return RawServerSocket.bind(HOST_NAME, 0)
-  .then((server) {
-    server.listen((client) {
-      RawSecureSocket.secureServer(client, CERTIFICATE)
-      .then((secureClient) {
-        Expect.throws(() => client.add([0]));
-        return runServer(secureClient);
-      })
-      .then((_) => server.close());
+    .then((server) {
+      server.listen((client) {
+        RawSecureSocket.secureServer(client, CERTIFICATE)
+          .then((secureClient) {
+            Expect.throws(() => client.add([0]));
+            return runServer(secureClient);
+          },
+          onError: (e) {
+            Expect.isTrue(e is HandshakeException);
+            Expect.isTrue(e.toString().contains(
+                'received a record with an incorrect Message Authentication'));
+          })
+          .whenComplete(server.close);
+      });
+      return connectClient(server.port, hostnameInConnect).then(runClient);
     });
-
-    return connectClient(server.port, hostnameInConnect).then(runClient);
-  });
 }