Allow Observatory debugger to switch isolates.

runtime/vm/service_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 
 #include "include/dart_debugger_api.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 1065 matching lines @@
 
   Array& service_msg = Array::Handle();
   service_msg = EvalVM(lib, "[0, port, 'getVM', [], []]");
 
   Service::HandleRootMessage(service_msg);
   handler.HandleNextMessage();
   EXPECT_SUBSTRING("\"type\":\"VM\",\"id\":\"vm\"", handler.msg());
   EXPECT_SUBSTRING("\"targetCPU\"", handler.msg());
   EXPECT_SUBSTRING("\"hostCPU\"", handler.msg());
   EXPECT_SUBSTRING("\"version\"", handler.msg());
-  EXPECT_SUBSTRING("\"uptime\"", handler.msg());
+  EXPECT_SUBSTRING("\"startTime\"", handler.msg());
   EXPECT_SUBSTRING("\"isolates\"", handler.msg());
 }
 
 
 TEST_CASE(Service_Flags) {
   const char* kScript =
       "var port;\n"  // Set to our mock port by C++.
       "\n"
       "main() {\n"
       "}";
@@ skipping 375 matching lines @@
       Eval(lib, "[0, port, 'getCpuProfile', ['tags'], ['Bogus']]");
   Service::HandleIsolateMessage(isolate, service_msg);
   handler.HandleNextMessage();
   // Expect error.
   EXPECT_SUBSTRING("\"type\":\"Error\"", handler.msg());
 }
 
 #endif  // !defined(TARGET_ARCH_ARM64)
 
 }  // namespace dart