Checks that restarting the top frame works with breakpoints
Paused at (after evaluation):
  const x = 1;
  const y = #2;
}

Pause stack:
  foo:3 (canBeRestarted = true)

Restarting function "foo" ...
Paused at (after restart):
function foo() {
  const x = #1;
  const y = 2;