### Question:
DefaultPaymentValidatorHolder implements CountryValidatorHolder { @Override public PaymentBodyFieldsValidator getPaymentBodyFieldsValidator() { return defaultPaymentBodyFieldsValidator; }  @Override String getCountryIdentifier(); @Override PaymentBodyFieldsValidator getPaymentBodyFieldsValidator(); @Override PaymentBusinessValidator getPaymentBusinessValidator(); @Override boolean isCustom();  }### Answer:
@Test void getPaymentBodyFieldsValidator() { assertTrue(holder.getPaymentBodyFieldsValidator() instanceof DefaultPaymentBodyFieldsValidatorImpl); }