[debugger] Stepping and break-related functions in wrapper

test/mjsunit/regress/regress-crbug-401915.js

Index: test/mjsunit/regress/regress-crbug-401915.js
diff --git a/test/mjsunit/regress/regress-crbug-401915.js b/test/mjsunit/regress/regress-crbug-401915.js
deleted file mode 100644
index 96dce048689cb28d9a095a8a5378503ffa4ae449..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-crbug-401915.js
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --allow-natives-syntax --expose-debug-as debug
-
-Debug = debug.Debug;
-Debug.setListener(function() {});
-Debug.setBreakOnException();
-
-try {
-  try {
-    %DebugPushPromise(new Promise(function() {}));
-  } catch (e) {
-  }
-  throw new Error();
-} catch (e) {
-}
-
-Debug.setListener(null);