Print da exception:
 Print ValidationPetDisponivelTest
Print ValidationPetDisponivelTest
 ValidationPetDisponivel.class
ValidationPetDisponivel.class
 Pet Repository.class
Pet Repository.class

Print da exception:
 Print ValidationPetDisponivelTest
Print ValidationPetDisponivelTest
 ValidationPetDisponivel.class
ValidationPetDisponivel.class
 Pet Repository.class
Pet Repository.class

Pet class


 
  
Era problemas na configuração pom.xml, consegui resolver!