[debugger] Further stepping support in test wrapper

test/debugger/debug/debug-stepout-scope-part7.js

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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 29 matching lines @@
 
 
 // Test global eval and function constructor.
 for (var i = 0; i < prefixes.length; ++i) {
   var pre = prefixes[i];
   for (var j = 0; j < bodies.length; ++j) {
     var body = bodies[j];
     Function(pre + body)();
   }
 }