Fix callable in anticipate

[bastien-phi]

In some cases, calls to anticipate fails with Method Some\Class::SomeMethod does not exist.
for exemple:

Method Illuminate\Auth\SessionGuard::Management does not exist.

This can happen when the anticipation array contains 2 elements and the first one is an exiting class :

 $this->anticipate('What is the Application ?', ['Auth', 'Management']);

['Auth', 'Management'] is considered a valid callable and Symfony component tries to call it.

The solution here is to wrap this array in a closure :

 $this->anticipate('What is the Application ?', fn() => ['Auth', 'Management']);