Kernel debugging; service tests

runtime/observatory/tests/service/step_test.dart

+// Copyright (c) 2017, 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.
+
 import 'dart:async';
 import 'test_helper.dart';
 import 'service_test_common.dart';
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 
-const int LINE_A = 10;
+const int LINE_A = 14;
 
 code() {
   var x = {}; // LINE_A
 }
 
 Future<Isolate> stepThroughProgram(Isolate isolate) async {
   Completer completer = new Completer();
   int pauseEventsSeen = 0;
 
   await subscribeToStream(isolate.vm, VM.kDebugStream,
@@ skipping 14 matching lines @@
   return completer.future;
 }
 
 var tests = [hasPausedAtStart,
              markDartColonLibrariesDebuggable,
              setBreakpointAtLine(LINE_A),
              stepThroughProgram];
 
 main(args) => runIsolateTestsSynchronous(args, tests,
     testeeConcurrent: code, pause_on_start: true, pause_on_exit: true);