[debugger] Further stepping support in test wrapper

test/debugger/debug/debug-stepout-scope-part2.js

 // Copyright 2011 the V8 project authors. All rights reserved.
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-// Flags: --expose-debug-as debug
 
 // Check that the ScopeIterator can properly recreate the scope at
 // every point when stepping through functions.
 
 var Debug = debug.Debug;
 
 function listener(event, exec_state, event_data, data) {
   if (event == Debug.DebugEvent.Break) {
     // Access scope details.
     var scope_count = exec_state.frame().scopeCount();
@@ skipping 33 matching lines @@
   for (var i = 0; i < prefixes.length; ++i) {
     var pre = prefixes[i];
     for (var j = 0; j < bodies.length; ++j) {
       var body = bodies[j];
       eval(pre + body);
       eval("'use strict'; " + pre + body);
     }
   }
 }
 test9();