[debugger] Migrate more debugger tests to inspector

test/mjsunit/regress/regress-3717.js

-// 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: --expose-debug-as debug --no-lazy
-
-Debug = debug.Debug;
-var exception = null;
-var break_count = 0;
-
-function f() {
-  function g(p) {
-    return 1;
-  }
-  g(1);
-};
-
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) break_count++;
-  } catch (e) {
-    exception = e;
-  }
-}
-
-Debug.setListener(listener);
-var bp = Debug.setBreakPoint(f, 2);
-f();
-Debug.clearBreakPoint(bp);
-Debug.setListener(null);
-
-assertEquals(1, break_count);
-assertNull(exception);