spec\Prophecy\Prophecy\MethodProphecySpec::it_adds_CallbackPromise_during_will_call_with_callback_argument PHP Method

    function it_adds_CallbackPromise_during_will_call_with_callback_argument($objectProphecy)
    {
        $objectProphecy->addMethodProphecy($this)->willReturn(null);
        $callback = function () {
        };
        $this->will($callback);
        $this->getPromise()->shouldBeAnInstanceOf('Prophecy\\Promise\\CallbackPromise');
    }