LagartoPiedra_Piedra
PiedraLagarto_Piedra (useless test)
LagartoSpock_Lagarto
SpockLagarto_Lagarto
Refactoring...
SpockTijeras_Spock
TijerasSpock_Spock (useless test)
TijerasSpock_Spock
TijerasLagarto_Tijeras, LagartoTijeras_Tijeras
 (useless tests)
LagartoPapel_Lagarto
PapelLagarto_Lagarto
PapelSpock_Spock (useless test)
SpockPapel_Spock (useless test)
Rename tests:
PapelSpock_Spock -> PapelSpock_Papel
SpockPapel_Spock -> SpockPapel_Papel
SpockPiedra_Spock
PiedraTijeras_Piedra
TijerasPiedra_Piedra
TijerasPiedra_Piedra
Final refactor