Observatory now uses websockets to communicate with the vm.

tests/standalone/vmservice/websocket_client_test.dart

Index: tests/standalone/vmservice/websocket_client_test.dart
diff --git a/tests/standalone/vmservice/websocket_client_test.dart b/tests/standalone/vmservice/websocket_client_test.dart
index bf8fac1d8b3273a6487601c71da4784957bcb723..ebf75b3842c729ea0b7797ffca6c97afac9ab9e1 100644
--- a/tests/standalone/vmservice/websocket_client_test.dart
+++ b/tests/standalone/vmservice/websocket_client_test.dart
@@ -30,9 +30,9 @@ class ClientsRequestTest extends ServiceWebSocketRequestHelper {
 
   runTest() {
     // Send a request for clients with 'cli' sequence id.
-    sendMessage('cli', ['clients']);
+    sendMessage('cli', 'clients');
     // Send a request for vm info with 'vm' sequence id.
-    sendMessage('vm', ['vm']);
+    sendMessage('vm', 'vm');
   }
 }