Test for onevent shadowing in WML

The card-level onevent will shadow the deck-level onevent. As a result, card 1 won't jump to card2 but to card 3 according to the card-level onevent's requirement. After entered the card 3, the deck-level onevent element isn't shadowed by this card, so it will jump to card 2 immediately.

This is card 2

This is card 3