Fix VM test Service_IsolateStickyError

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_tools_api.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 150 matching lines @@
     JSONStream js;
     isolate->PrintJSON(&js, false);
     // No error property and no PauseExit state.
     EXPECT_NOTSUBSTRING("\"error\":", js.ToCString());
     EXPECT_NOTSUBSTRING("HI THERE STICKY", js.ToCString());
     EXPECT_NOTSUBSTRING("PauseExit", js.ToCString());
   }
 
   // Set the sticky error.
   Dart_SetStickyError(result);
+  Dart_SetPausedOnExit(true);
   EXPECT(Dart_HasStickyError());
 
   {
     TransitionNativeToVM transition(thread);
 
     JSONStream js;
     isolate->PrintJSON(&js, false);
     // Error and PauseExit set.
     EXPECT_SUBSTRING("\"error\":", js.ToCString());
     EXPECT_SUBSTRING("HI THERE STICKY", js.ToCString());
@@ skipping 608 matching lines @@
   EXPECT_EQ(MessageHandler::kOK, handler.HandleNextMessage());
   // Expect error.
   EXPECT_SUBSTRING("\"error\"", handler.msg());
 }
 
 #endif  // !defined(TARGET_ARCH_ARM64)
 
 #endif  // !PRODUCT
 
 }  // namespace dart